Electrons in an Atom & the Periodic Table

True or False: The ground state is the highest energy state of an atom.

• True

• False

For an electron to change from ground state to an excited stated it must...

• Absorb energy
• Release energy

Emission of light from an atom occurs when an electron

• drops from a higher to a lower energy level.
•    jumps from a lower to a higher energy level.   
•    moves within its atomic orbital.
• falls into the nucleus.

What gases are in the unknown mixture?

• Gas B & Gas D
• Gas C & Gas B
• Gas A & Gas D
• Gas D & Gas C

The color of emitted light with the LONGEST wavelength is

• violet

• green

• red

• indigo

The color of emitted light with the SHORTEST wavelength is

• violet

• green

• red

• indigo

The color of emitted light with the HIGHEST frequency is

• violet

• green

• red

• indigo

The color of emitted light with the LOWEST frequency is

• violet

• green

• red

• indigo

What atom matches this electron configuration?
1s² 2s² 2p⁶ 3s²

• Neon
• Magnesium
• Aluminum
• Potassium

How many orbitals are there in a d sublevel?

• 1
• 3
• 5
• 7