Chemical Bonding

Why do ionic bonds form?

• so the number of protons equals the number of electrons
• to fill the outermost energy level
• so an atom can become unstable

An electron has what kind of charge?

• no charge
• positive 
• negative
• it depends

a proton has what charge?

• positive
• negative
• no charge
• it depends

When the number of electrons equals the number of protons the atom has what charge?

• sponge bob
• positive charge
• negative charge
• neutral charge

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

• a winner
• an isotope
• an ion
• a loser

Atoms that give electrons become...

• negatively charged

• postively charged

• remain neutral, no charge

• losers

Atoms that take electrons become...

• negatively charged

• positively charged

• remain neutrally charged

• 21

Which of the following is the proper diagram for the Lithium Fluoride ion (LiF)?

• A

• B

• C

• D

Which of the following is the proper diagram for Barium Bromide (BaBr₂)

• A

• B

• C

• D

How do positive ions form?

• by gaining electrons
• getting compliments
• by losing electrons
• gaining more protons