REVIEW - Chem MIDTERM EXAM

What is the noble gas shorthand electron for Sulfur atom?

• [Ar] 3p⁴
• [He] 3s²3p⁴
• [Ne] 3s²3p⁴
• [Na] 3s²3p⁴
  

Tags

NGSS.HS-PS1-1

What is the electron configuration for this atom?

• 1s²2s²2p⁶
• 1s²2s²2p⁵
• 1s²2s²2p³
• 2s²2p³

Tags

NGSS.HS-PS1-1

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

Tags

NGSS.HS-PS1-1

Which element is depicted from this orbital diagram

• Fluorine
• Neon
• Chlorine
• Argon

Tags

NGSS.HS-PS1-1

Which is associated with more energy? 

• 2p
• 2s
• 3p
• 1s

Tags

NGSS.HS-PS1-1

What is the charge of an atom that has lost one electron?

• -1
• -2
• +1
• +2

Tags

NGSS.HS-PS1-1

What is the charge of an atom that has gained one electron?

• -1
• -2
• +1
• +2

Anions are _______ that form ____________ ions and __________ electrons.

• nonmetals, positive, lose
• nonmetals, negative, gain
• metals, positive, gain
• metals, positive, lose

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which element is pictured?

• neon
• fluorine
• magnesium
• argon

Tags

NGSS.HS-PS1-1

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

• Neon
• Magnesium
• Aluminum
• Potassium

Tags

NGSS.HS-PS1-1