Electron Configuration (arrow and shorthand) Practice

What atom matches this electron configuration?

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• zinc

• copper

• nickel

• germanium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵
• 1s²2s²2p⁴
• 1s²2s²2p⁶
• 1s²2s²2p⁶3s²3p⁶4s²3d¹

Tags

NGSS.HS-PS1-1

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

The electron configuration of an atom is 1s²2s²2p⁶.  The number of electrons in the atom is 

• 3
• 6
• 8
• 10

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This orbital diagram represents:  

• C
• B
• N
• O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is incorrect about this orbital diagram for carbon?

• Both arrows in the 2p box should be pointing up.

• There is nothing incorrect with this diagram.

• All up arrows in the 2p orbital should be placed first. There should only be 1 arrow in the first 2p box and one in the 2nd 2p box.

• There are not enough electrons.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons can the d orbital hold?

• 14

• 10

• 2

• 6

How many electrons can the p orbital hold?

• 14

• 10

• 2

• 6

How many electrons can the s orbital hold?

• 14

• 10

• 2

• 6

Which of these is the electron configuration for nitrogen which has an atomic # of 7?

• 1s²2s²3s²4s¹

• 1s²2s²2p²3s¹

• 1s¹2s²2p⁴

• 1s²2s²2p³

Tags

NGSS.HS-PS1-1