Quantum Mechanics and electron configurations

What is the electron configuration for F?

• 1s2 2s2 3p5
• 1s2 2s2 3d5
• 1s2 2s2 2p5
• 1s2 2p5

What is the name of the element whose electron configuration is 1s²2s²2p³?

• magnesium

• nitrogen

• carbon

• phosphorous

Using noble-gas notation, calcium is represented by [Ar]4s². How many electrons does calcium have?

• 18

• 20

• 22

• 24

What is the noble gas shorthand electron for Sulfur atom?

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

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 p orbital?

• 2
• 3
• 4
• 6

What is the electronic configuration of iron?

• 1s²2s²2p⁶3s²3p⁶4s²3d⁶
• 1s²2s²2p⁶3s²3p⁶3d⁸
• 1s²2p⁶3s²3p⁶4s²3d⁶
• 1s²2s²2p⁶3s²3p⁶4s¹3d⁶

What is this element? 
[Ne] 3s²3p⁶4s²

• Calcium
• Sodium
• Scandium
• Titanium

What is the noble gas configuration for Neon?

• [Ne]
• [He]2s²2p⁶
• [F]2p¹
• [Ne]2s²1p⁶