Valence Electrons and Ionic Bonds

The positive ions tend to _____________ electrons.

• lose

• gain

Tags

NGSS.MS-PS2-3

The negative ions tend to _____________ electrons.

• lose

• gain

Tags

NGSS.MS-PS1-1

Why are sodium and chlorine attracted to each other?

• they have opposite charges

• they both have negative charges

• they both have positive charges

How many valence electrons does hydrogen have?

• 1

• 2

• 3

• 4

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

Ionic bonds are between...

• Metal and Non-metal

• Non-metal and Non-metal

• Metal and Metal

How are ionic bonds formed?

• Transfer of electrons

• Sharing of electrons

Tags

NGSS.HS-PS1-3

Atoms that gain electrons become...

• negatively charged

• positively charged

• remain neutrally charged

• 21

How many valence electrons does calcium have?

• 2

• 4

• 6

• 7

An atom that has gained or lost electrons is called ...

• a winner

• an isotope

• an ion

• a loser