Ionic Bonds

Why are sodium and chlorine attracted to each other?

• they have opposite charges

• they both have negative charges

• they both have positive charges

Ionic bonds are between...

• Metal and Non-metal

• Non-metal and Non-metal

• Metal and Metal

Tags

NGSS.MS-PS1-5

How are ionic bonds formed?

• Transfer of electrons

• Sharing of electrons

Ionic bonds form between two ions that have...

• ionic compounds

• negative charges

• positive charges

• opposite charges

An ionic bond forms when 

• Valence electrons are shared

• a sea of mobile electrons surround the cations

• valence electrons are transferred between atoms

• none of the above

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The positive ions tend to _____________ electrons.

• lose

• gain

Tags

NGSS.MS-PS1-1

The negative ions tend to _____________ electrons.

• lose

• gain

Atoms that gain electrons become...

• negatively charged

• positively charged

• remain neutrally charged

• 21

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

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

• a winner

• an isotope

• an ion

• a loser