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Shalnov [3]
2 years ago
14

Scientists made the following two observations about emission spectra: each element has a unique emission spectrum. atoms emit e

nergy only at specific wavelengths. describe how the bohr model explains both of these observations.
Chemistry
1 answer:
VladimirAG [237]2 years ago
3 0

In this model, electrons are found on unique levels and when jumping from one level to another, electrons emit light at a specific wavelength.

<h3>What is the Bohr model?</h3>

The Bohr model is an atomic model describing the properties of atoms and their constituents (electrons).

This model states different atoms have specific levels of energy where electrons can be located.

In conclusion, in this model, electrons are found on unique levels and when jumping from one level to another, electrons emit light at a specific wavelength.

Learn more about the Bohr model here:

brainly.com/question/18002213

#SPJ1

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What do the subscripts mean in a molecular formula ?​
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Answer:

A molecular formula tells us what atoms and how many of each type of atom are present in a molecule.

Explanation:

If only one atom of a specific type is present, no subscript is used.

For atoms that have two or more present, a subscript is written after the symbol for that atom.

Molecular formulas do not indicate how the atoms are arranged in the molecule.

- Hope this helps! -blazetoxic123

3 0
3 years ago
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A helium balloon is filled on the ground where the atmospheric pressure is 768 torr. The volume of the balloon is 8.00 m3. When
Anvisha [2.4K]

Answer:

The correct option is: <u>B. 366 torr</u>

Explanation:

Given: <u>On the ground</u>- Initial Volume: V₁ = 8.00 m³, Initial Atmospheric Pressure: P₁= 768 torr;

<u>At 4200 m height</u>- Final Volume: V₂ = 16.80 m³, Final Atmospheric Pressure: P₂ = ?

Amount of gas: n, and Temperature: T = constant

<u>According to the Boyle's Law</u>, for a given amount of gas at constant temperature:         P₁ V₁ = P₂ V₂

⇒  P₂ = P₁ V₁ ÷ V₂

⇒  P₂ = [(768 torr) × (8.00 m³)] ÷ (16.80 m³)

⇒  P₂ = 365.71 torr ≈ 366 torr

<u>Therefore, the final air pressure at 4200 m height: P₂ = 366 torr.</u>

6 0
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_Al + _Fe(NO3)2 --&gt;_Fe + __Al(NO3)3
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ziro4ka [17]

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