Ionic Compounds and Covalent Structures

Question 1

Properties of Ionic Compounds

Answer 1

• High MP and BP
• Conducts electricity if melted or dissolved in water
• Strong Ionic bonds (lots of energy needed, only available through high temps)

Question 2

Hydroxide Ion Formula

Answer 2

OH-

Question 3

Sulfate Ion Formula

Answer 3

SO4
2-

Question 4

Nitrate Ion Formula

Answer 4

NO3 -

Question 5

Carbonate Ion Formula

Answer 5

CO3
-2

Question 6

Ammonium ion

Answer 6

NH4 +

Question 7

What atoms are covalent structures made up of

Answer 7

Lots of non metal atoms

Question 8

Properties of Covalent structures

Answer 8

• Very strong
• High boiling points (need to break all bonds to melt)
• Do not conduct electricity (exception is graphite)
• Regular repeating lattices