S21: Unit 5 Review

How many valence electrons are represented here?

• 7
• 5
• 2
• 8

How many d orbitals are there in a given sublevel?

• 1
• 3
• 5
• 7

How many p orbitals are there in a sublevel?

• 2
• 1
• 4
• 3

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

Which element is pictured?

• neon
• fluorine
• magnesium
• argon

What noble gas should be used to write the shorthand configuration for Te?

• Ar
• Kr
• Xe
• Sb

Identify the element in Period 5 that has 1 valence electron?

• Rb
• Nb
• Ag
• Sb

What element in Period 4 has 5 valence electrons?

• Zr
• As
• V
• Sb

Electron arrangement that uses arrows

• Electron configuration
• Shorthand configuration
• Lewis dot structure
• Orbital diagram

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium