PEHS - Electron Config & Such

Which of the following is NOT an atomic orbital?

• 1p

• 4f

• 2s

• 3d

An element has 13 protons, 14 neutrons, and 9 electrons. What is it?

• Magnesium

• Aluminum

• Silicon

• Sodium

Which element is correctly paired with it's atomic number?

• Helium, 1

• Oxygen, 16

• Flourine, 9

• Copper, 11

Look at the diagram. What element is this?

• Carbon

• Oxygen

• Flourine

• Nitrogen

Look at the picture. How many protons does this element have?

• 55

• 54

• 25

• 30

Look at the diagram. What element is this?

• Lithium

• Beryllium

• Helium

• Sodium

Which is the correct electron configuration for iron?

• 1s2 2s2 2p6 3s2 3p6 4s2 3d6

• 1s2 2s2 2p6 3s2 3p6 4s2 3d10

• 1s2 2s2 2p6 3s2 3p6 3d8

• 1s2 2s2 2p6 3s2 3p6 4s2

Which is the correct electron configuration for Sulfur?

• 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5

• 1s2 2s2 2p5

• 1s2 2p6 2s2 2p6 3s2 3p4

• 1s2 2s2 2p6 3s2 3p4

Which is the correct eletron configuration for Uranium?

• 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f4

• 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f12

• 1s2 2s2 2p4

• 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d12

Which element has the following electron configuration: 1s2 2s2 2p6 3s2 3p2?

• Sulfur

• Silicon

• Aluminum

• Iodine