Unit 6 Electron Configuration

What element has the electron configuration of: 1s² 2s² 2p⁴

• Hydrogen

• Carbon

• Fluorine

• Oxygen

• Sulfur

What element has the electron configuration of: 1s² 2s² 2p⁶ 3s¹

• Neon

• Magnesium

• Sodium

• Lithium

• Potassium

What element has the electron configuration of: 1s² 2s² 2p⁶ 3s² 3p³

• Sodium

• Magnesium

• Aluminum

• Phosphorus

• Arsenic

What element has the electron configuration of: 1s² 2s² 2p⁶ 3s² 3p¹

• Sodium

• Magnesium

• Aluminum

• Phosphorus

• Arsenic

What element has the electron configuration of: 1s² 2s² 2p⁶ 3s² 3p⁶4s² 3d⁵

• Potassium

• Bromine

• Manganese

• Iron

• Arsenic

What element has the electron configuration of: 1s² 2s² 2p⁶ 3s² 3p⁶4s² 3d¹⁰

• Copper

• Strontium

• Manganese

• Iron

• Zinc

What element has the electron configuration of: 1s² 2s² 2p⁶ 3s² 3p⁶4s² 3d¹⁰ 4p⁴

• Copper

• Gallium

• Manganese

• Selenium

• Zinc

Valence electrons are:

• electrons furthest away from the nucleus

• in the atom's highest energy level

• electrons closest to the nucleus

• in the atom's lowest energy level

• the dots in a Lewis-dot structure

What is the correct electron configuration for carbon?

• 1s^2 2s² 2p²

• 1s 2s² 2p⁴

• 2s² 2p²

• 2p²

• 2p⁴

What is the correct electron configuration for chlorine?

• 1s^2 2s² 2p²

• 1s 2s² 2p⁴ 3s²

• 1s 2s² 2p⁴ 3s² 3p⁶

• 1s 2s² 2p⁶ 3s² 3p⁵

• 1s 2s² 2p⁴ 3s² 3p⁵