Periodicity and Configurations Test Review_Gentry

Ions with a (-) charge have ____________

• gained electrons

• lost electrons

• lost protons

• gained protons

Ions with a (+) charge have ___________

• gained electrons

• lost electrons

• gained protons

• lost protons

K has ___ electrons, but K⁺ cation has ____ electrons.

• 19, 20

• 19, 18

• 19, 19

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ga has ____electrons, but Ga⁺³ has ___ electrons.

• 31, 34

• 31, 28

• 31, 31

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

O has ___ electrons, but O^-2 has ____ electrons.

• 8, 10

• 8, 6

• 8, 9

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

F has ___ electrons, but F^- has ___ electrons.

• 9, 10

• 9, 8

• 9, 9

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms have matching electron configurations when they have matching:

• charges

• electron numbers

• energy levels

Tags

NGSS.HS-PS1-1

Which atoms have the same electron configuration?

• Ne and He

• Ne and Ca⁺²

• Ne and Na⁺

Tags

NGSS.HS-PS1-1

Which of the following is NOT correct about how many ELECTRONS each sublevel can hold:

• s: 2 electrons

• p: 3 electrons

• d: 10 electrons

• f: 14 electrons

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc

• Copper

• Nickel

• Germanium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2