Which statement describes how an atom in the ground state becomes excited?

The atom absorbs energy, and one or more electrons move to a higher electron shell.

The atom absorbs energy, and one or more electrons move to a lower electron shell.

The atom releases energy, and one or more electrons move to a lower electron shell.

The atom releases energy, and one or more electrons move to a higher electron shell.

The light emitted from a fireworks display is produced when electrons in an excited state

release energy as they move to lower energy states

absorb energy as they move to lower energy states

release energy as they move to higher energy states

absorb energy as they move to higher energy states

Which of the following describes how colors in a bright-line spectrum or in a fireworks display are produced?

Ions in salts release a specific amount of energy as the electrons move from a higher energy state (excited state) to a lower energy state

Ions in salts absorb a specific amount of energy and become excited

Ions in salts absorb a specific amount of energy, moving to a lower energy state as a result

Ions in salts release a specific amount of energy as the electrons move from a lower energy state to a higher energy state (excited state)

The isotopes C-12 and C-13 have the same

number of neutrons in their atoms

A specific amount of energy is emitted when electrons in an aluminum atom return to the ground state. This emitted energy can be used to do what?

To determine the identity of the element

To determine the mass of the sample

To determine the number of moles of the element

To determine the number of electrons, ONLY, and NOTHING ELSE

Energy Changes & Atomic Emission Spectra

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1/7 Questions

An electron in a calcium atom gains enough energy to move from the first shell to the second shell. The calcium atom becomes
- A negative ion
- An atom in an excited state
- An atom in the ground state
- A positive ion

About This Quiz

Explore the fascinating phenomena of energy changes and atomic emission spectra in this quiz. Understand how electrons transition between energy states in atoms, and how this relates to observable spectral lines and colors in fireworks. Ideal for learners interested in atomic behavior and spectroscopy.

Energy Changes & Atomic Emission Spectra - Quiz

2.

Which statement describes how an atom in the ground state becomes excited?
- The atom absorbs energy, and one or more electrons move to a higher electron shell.
- The atom absorbs energy, and one or more electrons move to a lower electron shell.
- The atom releases energy, and one or more electrons move to a lower electron shell.
- The atom releases energy, and one or more electrons move to a higher electron shell.
Correct Answer

A. The atom absorbs energy, and one or more electrons move to a higher electron shell.

Explanation

Electrons become excited by absorbing energy in forms like heat or light.

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3.

The light emitted from a fireworks display is produced when electrons in an excited state
- Absorb energy as they move to lower energy states
- Release energy as they move to higher energy states
- Release energy as they move to lower energy states
- Absorb energy as they move to higher energy states
Correct Answer

A. Release energy as they move to lower energy states

Explanation

Absorbing energy in forms like heat or light causes electrons to become excited. The opposite occurs during energy emission.

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2
4.

Based on the bright-line spectra below, identify the two gases present in the mixture. In writing your answer, capitalize the two letters and separate them with a space and a comma. (Ex: X, Y)

Correct Answer
A, D
A and D

Explanation
See which elements have lines in the exact same spots as the mixture does.

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2
5.

Which of the following describes how colors in a bright-line spectrum or in a fireworks display are produced?
- Ions in salts absorb a specific amount of energy and become excited
- Ions in salts absorb a specific amount of energy, moving to a lower energy state as a result
- Ions in salts release a specific amount of energy as the electrons move from a higher energy state (excited state) to a lower energy state
- Ions in salts release a specific amount of energy as the electrons move from a lower energy state to a higher energy state (excited state)
Correct Answer

A. Ions in salts release a specific amount of energy as the electrons move from a higher energy state (excited state) to a lower energy state

Explanation

Remember: Colors in a bright-line spectrum or in a fireworks display are produced when electrons emit a specific amount of energy in the form of light with specific wavelengths as the electrons move from higher, excited energy states to lower energy states.

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1
6.

The isotopes C-12 and C-13 have the same
- Mass number for their atoms
- Bright-line spectrum
- Number of neutrons in their atoms
- Decay mode
Correct Answer

A. Bright-line spectrum

Explanation

Each element has a specific bright-line spectrum. Isotopes DO NOT change the identity of an element. They are different forms of the same element, so the bright-line spectrum is still the same, even if only the number of neutrons and the mass number change.

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3
7.

A specific amount of energy is emitted when electrons in an aluminum atom return to the ground state. This emitted energy can be used to do what?
- To determine the mass of the sample
- To determine the identity of the element
- To determine the number of moles of the element
- To determine the number of electrons, ONLY, and NOTHING ELSE
Correct Answer

A. To determine the identity of the element

Explanation

Remember: Colors in a bright-line spectrum or in a fireworks display are produced when electrons emit a specific amount of energy in the form of light with specific wavelengths as the electrons move from higher, excited energy states to lower energy states. These wavelengths and specific emitted energies can be used to determine the identity of the element itself.

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1

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Quiz Edited by
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Oct 26, 2013

Quiz Created by
Regentschemistry

Energy Changes & Atomic Emission Spectra

An electron in a calcium atom gains enough energy to move from the first shell to the second shell. The calcium atom becomes

Quiz Preview

Which statement describes how an atom in the ground state becomes excited?

The light emitted from a fireworks display is produced when electrons in an excited state

Based on the bright-line spectra below, identify the two gases present in the mixture. In writing your answer, capitalize the two letters and separate them with a space and a comma. (Ex: X, Y)

Which of the following describes how colors in a bright-line spectrum or in a fireworks display are produced?

The isotopes C-12 and C-13 have the same

A specific amount of energy is emitted when electrons in an aluminum atom return to the ground state. This emitted energy can be used to do what?