How many CORE ELECTRONS does Chlorine have?

• 2

• 4

• 8

• 10

• 17

Tags

NGSS.HS-PS1-1

How many VALENCE ELECTRONS does Chlorine have?

• 2

• 7

• 8

• 10

• 17

Tags

NGSS.HS-PS1-1

Ionic bonds are formed when electrons get

• Shared between two atoms

• Removed from both atoms

• Transferred from one atom to another

• Added to both atoms

Tags

NGSS.HS-PS1-2

How many valence electrons does Mg have? (use the PTable)

• 1

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

How many valence electrons does Po (Polonium) have? (Use your PTable)

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1

Ionic bonds typically form between

• A metal and a nonmetal

• Two nonmetals

• Two metals

• A metalloid and a metal

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms are most stable when their outer shell is complete.

• True

• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Why do elements form chemical bonds?

• Because they're friendly

• To create a new element

• To become stable

• Because they all need to gain more electrons

Tags

NGSS.HS-PS1-2

What is the correct formula for Sodium Chloride?

• SCl

• NaCl

• SC

• NaCl₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Name this ionic compound: Al₂O₃

• Dialuminum oxide

• Aluminum oxygen

• Oxygen Aluminide

• Aluminum oxide

Tags

NGSS.HS-PS1-1