Molecular Shapes
Ionic Bonds
Polyatomic Ions
Electronegativity
100

This theory states that the shape of a molecule is determined by the valence electrons surrounding the central atom.

What is the VSEPR Theory?

100

Negatively charged ions. 

What are anions?

100

Polyatomic ions that contain ______ end in -ite or -ate.

What is oxygen?

100

From left to right across the periodic table, electronegativity does this. 

What is increases?

200

A molecule’s _____ affects both the physical and chemical properties of the substance.

What is shape?

200

_____ are ionic compounds made up of cations and anions. 

What are salts?

200

This ending is used for the polyatomic ion with the least amount of oxygens. 

What is -ite?

200

Moving down a group, electronegativity does this. 

What is decreases?
300
This molecular shape contains 1 bonded atom and 0 lone pairs. 

What is linear?

300

CaS

What is calcium sulfide?

300

CO32-

What is carbonate?

300

This group does not have electronegativity values.

What are the noble gases?

400

This molecular shape contains 2 bonded atoms and 1 lone pair. 

What is bent?

400

Cu3P2

What is copper (II) phosphide?

400

OH-

What is hydroxide?

400

The greater the difference between the electronegativity values of 2 elements joined by a bond, the greater the ______ of the bond.

What is polarity?

500

CH4 has this molecular shape.

What is tetrahedral?

500

The formula for iron (III) bromide.

What is FeBr3?

500

Hypochlorite

What is ClO-?

500

This bond type has electronegativity values between 0.5 and 2.1.

What is a polar covalent bond?