Electron Configuration

Front

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

Back

Magnesium

Front

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

Back

Zinc

Front

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

Back

1s²2s²2p⁴

Front

How many valence electrons does Si contain?

Back

4

Front

How many electrons can the first energy level hold?

Back

2

Front

An orbital can at most hold how many electrons? Options: 1 electron, 2 electrons, 3 electrons, 4 electrons

Back

2 electrons

Front

The electron configuration of an atom is 1s²2s²2p⁶. The number of electrons in the atom is? Options: 3, 6, 8, 10

Back

10

Front

What atom is represented here? Options: Carbon, Nitrogen, Oxygen, Fluorine

Back

Nitrogen

Front

How many valence electrons are represented here? Options: 7, 5, 2, 8

Back

5

Front

What is the electron configuration for this atom? Options: 1s²2s²2p⁶, 1s²2s²2p⁵, 1s²2s²2p³, 2s²2p³

Back

1s²2s²2p³