Atomic Structure

What is the electron configuration of carbon?

• 1s² 2s² 2p⁴

• 1s² 2s² 2p¹

• 1s² 2s² 2p²

• 1s² 2s¹ 2p³

How many electrons can the p sublevel hold?

• 4

• 10

• 8

• 6

How many electrons are in the outermost energy level of an atom with the electron configuration 2-8-5?

• 5

• 10

• 8

• 2

What is the electron configuration of nitrogen?

• 1s² 2s² 2p³

• 1s² 2s² 2p⁴

• 1s² 2s² 2p²

• 1s² 2s¹ 2p⁶

How many electrons can the d sublevel hold?

• 12

• 10

• 8

• 5

What is the electron configuration of oxygen?

• 1s² 2s² 2p³

• 1s² 2s¹ 2p⁵

• 1s² 2s² 2p⁴

• 1s² 2s² 2p⁶

How many electrons are in the second energy level of an atom with the electron configuration 2-8-5?

• 3

• 10

• 5

• 8

What is the electron configuration of sodium?

• 1s² 2s² 2p⁶ 3s¹

• 1s² 2s² 2p⁶ 4s¹

• 1s² 2s² 2p⁶ 3s³

• 1s² 2s² 2p⁶ 3s²

How many electrons can the f sublevel hold?

• 4

• 8

• 18

• 14

Select the element that has atomic number 2.

• 
• 
• 
•