Ionic and Covalent Compounds

Ionic

100

Name the following compound: CaO

calcium oxide

200

What is the formula unit for lithium nitride?

Li₃N

300

What is the formula unit for iron (III) chloride? 

FeCl₃

400

What is the name of CoO₂?

Cobalt (IV) oxide

500

What is the name of ZnCl₂

Zinc Chloride

Ionic v Covalent

100

Is H₂O ionic or covalent?

Covalent

200

Is CaO ionic or covalent?

Ionic

300

You put an unknown compound on the hot plate and turn it to "high." The compound never melts. Is it ionic or covalent? 

Ionic

400

A compound does not conduct electricity when dissolved in water. Is it ionic or covalent?

Covalent

500

Is BeCl₂ ionic or covalent

Covalent - Be has a relatively high electronegativity

Lewis Structures

100

What is the formal charge of the carbon in CH₄?

0

200

How many valence electrons are in the molecule C₃H₅O₂H?

C 4(x3) = 12

H 1(x6) = 6

O 6(x2) = 12

30 electrons

300

How many electrons are in bonds for the molecule O₂^2-?

2 (single bond)

400

What is the formal charge of the singly bonded oxygens in PO₄^3-?

-1

500

How many resonance structures does CS₃^2-?

3

How Many

100

How many electrons are in the lone pairs of H₂S?

4

200

How many electrons does each iron loose when it bonds with nitrogen to form Fe₃N₂?

2

Fe²⁺

300

How many single bonds are in C₃H₆?

7

400

How many electrons are in the lone pairs of BH₃

0

500

How many electrons are in the bonds of SO₄^2-?

12