What is the current atomic model called? ​

Answer:

............................................................................................................................

Explanation:

because ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

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The charge on an electron is ~

" - " symbol is used to show that its negative.

Yes, that statement is generally correct. A scientific law is a statement that describes a phenomenon or pattern in nature, often expressed mathematically, without attempting to explain why it occurs. A scientific theory, on the other hand, is a well-substantiated explanation for a set of phenomena, based on empirical evidence and scientific reasoning.

A scientific law summarizes what happens in a particular situation, often in the form of an equation or formula, whereas a scientific theory attempts to explain why it happens.

For example, the law of gravity describes the attraction between masses, but it does not explain why this attraction occurs. In contrast, the theory of general relativity attempts to explain the underlying principles of gravity, including its effects on the curvature of space-time.

It's worth noting that both scientific laws and scientific theories are based on empirical evidence, but they serve different purposes in scientific inquiry. Laws describe what happens in a particular situation, while theories attempt to explain why it happens.

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Sulfur hexachloride is not an ionic compound, it is a covalent compound.

Ionic compounds are formed by the bond of metals with nonmetals, in which metals lose electrons to nonmetals that gain electrons. In that way, they all complete their octets.

Covalent compounds are formed by the bond between nonmetals, in which both nonmetals share pairs of electrons to complete their octets.

Sulfur hexachloride (SCl₆) is formed by 2 nonmetals, sulfur and chlorine. Thus, it is not an ionic compound but a covalent one.

Sulfur hexachloride is not an ionic compound, it is a covalent compound.

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Answer:

A. Energy

B. Chemical potential

C. Endothermic reaction

D.The law of conservation of mass

E. Transfers of energy

The fill in the blanks for energy, reaction, and the law of mass is

A. Energy

B. Chemical potential

C. Endothermic reaction

D. The law of conservation of mass.

E. Transfers of energy

The law says that energy can neither be created nor destroyed.

The law was given by Antoine Lavoisier.

Thus, fill in the blanks are: A. Energy

B. Chemical potential

C. Endothermic reaction

D. The law of conservation of mass.

E. Transfers of energy

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Answer:

1290 Joules

Explanation:

Answer:

When myocytes (aka muscle cells) are triggered at a certain point for awhile it can cause strain and pain throughout the muscle.

Standardization is the process of making something conform to a standard.

Hope it helps you :)

Standardization is the process of creating protocols to guide the creation of a good or service based on the consensus of all the relevant parties in the industry. ... Standardization also helps in ensuring the safety, interoperability, and compatibility of goods produced.

Compared to 2,3,4-trifluoropentane, the nonane's carbon chains are longer.

A substance's molar mass is defined as its molecular weight in grams. By adding the molar masses of a substance's constituent atoms, we may get the substance's molar mass. Then, to convert between mass and the quantity of moles of the material, we may utilize the computed molar mass.

Adding the atomic masses of a particular substance results in the calculation of molar mass. Below each element's symbol on the periodic table is a designation of the mass of that specific element. The molar mass is obtained by averaging the atomic masses obtained from the periodic table.

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Answer:

Recessive and Dominant

Explanation:

Answer:

4 doughnut

Explanation:

Answer:

telophase

Explanation:

Answer:

\(224 \times 13313\frac{.131?}{?244} \)

Henri Matisse talked about new ideas in creative expression that he thought were emerging at the moment as well as his vision for modern art.

The use of color and shape to convey emotion, according to Matisse, should take the place of the conventional representational approach that sought to mimic the real world. He held that artists should be allowed the freedom to interpret the world in light of their personal experiences and that contemporary art was really about individual expression.

Matisse believed that contemporary artists should aim for simplicity and clarity in their work, distilling the natural world down to its most basic components. To achieve a sense of coherence in entire composition, he emphasised on significance of balance and harmony in the use of color and shape. Overall, "Notes of a Painter" contributed to the development of the modernist movement in art, which emphasised the value of creativity and individual expression

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Answer:

Kilograms, I think.

Explanation:

Answer: 2.31 L

Explanation:

charles law  v2= V1 x T2/T1

temperature must be in Kelvin

V2=2.5 X 298.15 / 323.15 =2.31 L

The volume of the water is  5.11 mL.

Density is a measure of mass per unit of volume of a substance. It is a physical property of matter and is expressed in units of grams per cubic centimeter (g/cm^3).

The density of a substance determines how much of it will occupy a given space, and is a crucial factor in many physical and chemical phenomena, such as buoyancy, phase changes, and thermal conductivity.

We have that;

Volume of the water = ?

Density of the water = 0.9960 g/mL

Mass of the water = 5.097 g

Volume of the water = Mass/Density

= 5.097 g / 0.9960 g/mL

= 5.11 mL

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We can see here that the catalytic cycle for the hydrogenation of alkenes using Wilkinson's catalyst involves several steps.

Here's an overview of the catalytic cycle, including the necessary details:

i. Chemical structure of the catalyst:

Wilkinson's catalyst, also known as chloridotris(triphenylphosphine)rhodium(I), has the following chemical structure: [RhCl(PPh3)3]

ii. Molecular geometry of the catalyst:

The Wilkinson's catalyst has a trigonal bipyramidal geometry around the rhodium center. The three triphenylphosphine (PPh3) ligands occupy equatorial positions, while the chloride (Cl) ligand occupies an axial position.

iii. Type of reactions involved:

The catalytic cycle involves several reactions, including:

iv. Starting material, reagent, and solvent:

The starting material is an alkene, and the reagent is Wilkinson's catalyst ([RhCl(PPh3)3]). The reaction is typically carried out in a suitable solvent, such as dichloromethane (CH2Cl2) or tetrahydrofuran (THF).

v. Major and minor end-products:

The major end-product of the hydrogenation reaction is the fully saturated alkane, resulting from the addition of hydrogen across the double bond. The minor end-product may include cis- or trans-configured alkanes if the original alkene substrate possesses geometric isomers.

vi. Intermediates:

The intermediates in the catalytic cycle include:

These intermediates play a crucial role in facilitating the hydrogenation reaction and enabling the catalytic cycle to proceed.

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Out of all the given metals, K (Potassium) is the most reactive metal.

The reactivity of metal depends upon the ease of losing an electron from the outermost shell of its atom. The ability to lose an electron decides the reactivity of the metal. The more the ability to lose an electron of its atom, the more the reactivity of the metal. It further depends on the atomic radius, shielding effect, and nuclear charge.

Potassium is the most electropositive metal atom and has the minimum ionization enthalpy thus it has a greater tendency to lose an electron which makes it the most reactive metal.

The reactivity series of given metals is as follows:

K > Ca > Al > Mn

Thus, Potassium (K) is the most reactive metal.

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The electronegativity of carbon is about 2.5 , and that of oxygen is about 3.5 , and naturally, (3.5−2.5=1.0)>0 . So, the electronegativity difference is greater for a C−O single bond than a F−F single bond.

Answer:

1.0

I hope my answer helps you.

Answer:

c)

Explanation:

acidic oxides are formed

metal oxides and basic oxides are basically the same.

If the distance between Miami and Key Largo is 70 miles, this distance is equivalent to 112.65 kilometers.

Distance is the amount of space between two points, usually geographical points, usually (but not necessarily) measured along a straight line.

According to this question, the distance between Miami and Key Largo is 70 miles.

Miles and kilometers are both units of measurement for distance. The conversion factor is as follows:

1 mile = 1.609 kilometres

70 miles is equivalent to 70 × 1.609 = 112.65 kilometers

Therefore, the distance between Miami and Key Largo is 70 miles, this distance is equivalent to 112.65 kilometers.

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Polar molecules would move further in a liquid solution than in a non-polar solvent because they are more closely bound to polar solvents.

The precursor 9-fluorenone has been used in the synthesis of a wide range of organic the electronic devices. Here are a few the typical instances: creation of the host for the blue and green organic light-emitting diodes (PHOLEDs).

As the second most common PAH, fluorene is often present as a gas from a number of the sources, including tobacco smoke, resinous pitch, petroleum refining, exhaust fumes gases, and gasoline.

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The Bohr model will contain 3 orbit around nucleus, first orbit contain 2 electrons, second orbit contain 8 electrons and third orbit contain 1 electrons.

The Bohr model is an explanation of the structure of atoms, particularly hydrogen, presented by the scientist Niels Bohr in 1913. The Bohr model of the atom, which was a major break from previous, classical descriptions, became the first to include quantum theory and was the forerunner of entirely quantum-mechanical model.

The Bohr model and every of its descendants define atomic electron characteristics in terms of a list of permissible (possible) values. The Bohr model will contain 3 orbit around nucleus, first orbit contain 2 electrons, second orbit contain 8 electrons and third orbit contain 1 electrons.

Therefore, the Bohr model will contain 3 orbit around nucleus, first orbit contain 2 electrons, second orbit contain 8 electrons and third orbit contain 1 electrons.

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Answer:

Budding in yeast is primarily a biological process

The molar concentration of the salt is  0.600 M. Option B

We know that the term molar concentration has to do with the number of moles of the salt that is present in one liter of the solution. We have been given the mass of the salt that is formed, we need to obtain the number of moles of the salt that has been formed and use the volume of the solution that have been given in the question to find the molar concentration of the salt.

Mass of the salt = 8.24 g

Molar mass of the salt = 58.5 g/mol

Number of moles of the salt = mass/molar mass

=  8.24 g/ 58.5 g/mol

= 0.14 moles

Volume of the solution = 235.0 mL or 0.235 L

Molar concentration =  0.14 moles/ 0.235 L

= 0.595 M or  0.600 M

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Answer:

a

Explanation:

Answer:

a

Explanation:

These rocks form underground by magma as it cools down.

HOPE IT HELPED

Common transparent materials used to make cuvettes include optical glass, quartz, and transparent plastic. All of these materials seem to be completely transparent and appropriate for all types of absorbance tests at first glance.

What position do cuvettes take in a spectrophotometer?

Each cuvette has markings to allow for appropriate placement in the sample holder. When taking measurements, the mark, which is at the top of the cuvette, must face the spectrophotometer's front.

What does the UV/VIS spectrophotometer utilize a cuvette for?

Test tubes in the shape of a cuvette. They serve the same purpose as regular test tubes: to hold aqueous solutions. Chemical reactions can be aided by regular test tubes. Cuvettes, on the other hand, are employed in UV-Vis spectrophotometers or fluorometers to measure the transmittance or absorption of light at a specific wavelength.

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The wavelength of the radiation emitted by the argon ion laser is \(4.854 * 10^-7 m\).

Wavelength is a property of any type of wave that refers to the distance between two adjacent points on the wave that is in phase, i.e., at the same point in their respective cycles. It is usually denoted by the Greek letter lambda (λ) and is measured in units of length, such as meters or nanometers.

The energy carried by the photon (E) is related to the wavelength (\(\lambda\)) through the following equation:

\(E=hc/\lambda\); where 'h' is the Plank's Constant and 'c' is the speed of light which is \(3* 10^{-7} m/s\).

We can say that

\(\lambda - hc/E\)

Now after substituting the given values, we get:

\(\lambda = (6.626 * 10^{-34} J.s * 3.00 * 10^8 m/s) / (4.071 * 10^{-19} J)\\\lambda = 4.854 * 10^-7 m\)

Therefore the wavelength of the radiation emitted by the argon ion laser is \(4.854 * 10^-7 m\).

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The density of ammonia gas in the 6.0 L container at a pressure of 820 mm Hg is approximately 0.805 g/L.

To determine the density of ammonia gas (NH3) in a 6.0 L container at a pressure of 820 mm Hg, we need to use the ideal gas law equation, which relates pressure, volume, number of moles, and temperature for a given gas.

The ideal gas law equation is:

PV = nRT

Where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature in Kelvin.

Since we are given the pressure (820 mm Hg), volume (6.0 L), and assuming standard temperature and pressure (STP), we can use the values for R (0.0821 L·atm/(mol·K)) and convert the pressure to atm by dividing by 760 (1 atm = 760 mm Hg).

820 mm Hg / 760 mm Hg/atm = 1.08 atm

Now we can rearrange the ideal gas law equation to solve for density (d):

d = (P * M) / (RT)

Where M is the molar mass of ammonia (NH3), which is approximately 17.03 g/mol.

Substituting the values, we have:

d = (1.08 atm * 17.03 g/mol) / (0.0821 L·atm/(mol·K) * 298 K)

Simplifying the equation, we find:

d ≈ 0.805 g/L

Therefore, the density of ammonia gas in the 6.0 L container at a pressure of 820 mm Hg is approximately 0.805 g/L.

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Answer:

its sodium hydroxide

Explanation: