Chem exam 2 practice test

What is the noble gas shorthand electron for Sulfur atom?

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

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

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

• -1
• -2
• +1
• +2

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

• -1
• -2
• +1
• +2

How many electron can be found in a s orbital?

• 2
• 3
• 4
• 1

How many electron can be found in a p orbital?

• 2
• 3
• 4
• 6

What is the electronic configuration of sodium?

• 1s²2s²2p⁶3s¹
• [Ne]3s¹
• 1s²2s²2p⁷
• Both A and B are correct

Which is the electron configuration for an oxygen atom?

• 1s²2s²2p⁶3s²3p⁶4s²
• electronic configuration
  1s²2s²2p⁴
• 1s²2s²2p⁶
• 1s²2s²2p⁶3s²3p⁶

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Which electron configuration belongs to Chlorine (Cl)?

• 1s² 2s² 2p⁶ 3s² 3p⁵
• 1s² 2s² 2p⁶ 3s² 3p⁶
• 1s² 2s² 2p⁶ 3s² 3p⁷