1.2: Ionic Compounds

Question 1

Ionic Charge

Answer 1

of electrons an element needs to gain/lose to become stable

Question 2

Binary compounds

Answer 2

made of only 2 elements

Question 3

Ionic Compounds

Answer 3

• metal + nonmetal
• overall charge is neutral

Question 4

Name Formula For Ionic Compounds

Answer 4

• metal is same name and comes first
• non-metal ends in -ide
  (ex. aluminum oxide)

Question 5

Criss Cross Method

Answer 5

• write down symbols and ionic charges
• divide
• cross ionic charges into subscripts
  (sum of ionic charges = 0)