Atomic Structure Quiz

What is the atomic number of an element that has 6 protons?

• 8

• 6

• 4

• 2

What is the electron configuration of oxygen?

• 1s2 2s2 2p4

• 1s2 2s2 2p2

• 1s2 2s2 2p3

• 1s2 2s2 2p6

Which element has the atomic number 20?

• calcium

• iron

• sodium

• potassium

What is the electron configuration of nitrogen?

• 1s2 2s2 2p4

• 1s2 2s2 2p2

• 1s2 2s2 2p3

• 1s2 2s2 2p5

Which element has the atomic number 26?

• copper

• gold

• iron

• silver

What is the electron configuration of chlorine?

• 1s2 2s2 2p6 3s2 3p5

• 1s2 2s2 2p6 3s2 3p6

• 1s2 2s2 2p6 3s2 3p4

• 1s2 2s2 2p6 3s2 3p3

Which element has the atomic number 11?

• helium

• sodium

• carbon

• oxygen

What is the electron configuration of carbon?

• 1s2 2s2 2p3

• 1s2 2s1 2p3

• 1s2 2s2 2p1

• 1s2 2s2 2p2

Which element has the atomic number 19?

• potassium

• iron

• calcium

• sodium

What is the electron configuration of helium?

• 2p6

• 2s2

• 1s1

• 1s2