Electron Configurations

Front

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰
Options: Zinc, Copper, Nickel, Germanium

Back

Zinc

Front

What electron configuration matches an oxygen atom? Options: 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵, 1s²2s²2p⁴, 1s²2s²2p⁶, 1s²2s²2p⁶3s²3p⁶4s²3d¹

Back

1s²2s²2p⁴

Front

The electron configuration of an atom is 1s²2s²2p⁶. The number of electrons in the atom is

Back

10

Front

Which electron configuration belongs to Chlorine (Cl)? Options: 1s² 2s² 2p⁶ 3s² 3p⁵, 1s² 2s² 2p⁶ 3s² 3p⁶, 1s² 2s² 2p⁶ 3s² 3p⁷

Back

1s² 2s² 2p⁶ 3s² 3p⁵

Front

How many electrons can the d sublevel hold?

Back

10

Front

How many electrons can the s sublevel hold? Options: 14, 10, 2, 6

Back

2

Front

What atom matches this electron configuration?
1s²2s²2p⁶3s²
Options: Neon, Magnesium, Aluminum, Potassium

Back

Magnesium

Front

Shortcut configuration for iodine:

[Ar]4s²4d¹⁰4p⁵

,

[Kr]5s²4d¹⁰5p⁵

,

[Xe]5s²5d¹⁰5p⁵

,

none of the above

Back

[Kr]5s²4d¹⁰5p⁵

Front

Each row on the periodic table represents:

• an energy level
• a sublevel
• an electron
• an orbital

Back

an energy level

Front

Which area on the periodic table represents the electrons in the "d" sublevel? Options: representative elements, columns 3-8, rare earth elements, transition elements

Back

transition elements