Chemical Bonds

Ionic bonds are between ______________.

• two metals

• metal + nonmetal

• two nonmetals

Electrons within an ionic bond are __________.

• Shared

• Transferred

Choose the following that are ionic bonds (3)

• NaCl

• CO₂

• MgF₂

• Li₂S

• PCl₅

How many valence electrons does group 13 have?

• 1

• 3

• 5

• 7

BeCl₂ is an ionic bond. Which element is the metal?

• Beryllium (Be)

• Chlorine (Cl)

Group 1 has (a)   valence electron

How many valence electrons does group 16 have?

• 2

• 4

• 6

• 8

CaBr₂ is an ionic bond. Which element is the nonmetal?

• Calcium (Ca)

• Bromine (Br)

Which of the following is the charge for group 1?

• +1

• +2

• -1

• -2

Which of the following is the charge for group 15?

• +2

• +3

• -2

• -3