Compounds and VSEPR
States of Matter
Nomenclature/
Empirical Formulas
100

What happens when a cation and an anion come together?

They form an ionic compound

100

Name the 4 states of matter

Solid, Liquid, Gas, Plasma

100

What is the correct name for this molecule?

SO3

Sulfur Trioxide

200

Which molecular geometry (shape) is there two different versions of?

Bent

200

Do solids have a fixed volume?

Yes

200

Write the formula for tetraboron nonachloride

B4Cl9

300

What is the difference between ionic and covalent compounds?

Ionic: Metal and Nonmetal, Transfer Electrons

Covalent: 2 or more Nonmetals, Share Electrons

300

Why is it important that gases have an unfixed volume? (think about the gas in a room)

So we can breathe in all parts of a room/building. (oxygen)

300

How many atoms are in this molecule? (NH4)2Br2

12

400

Draw the Lewis Structure for H2O

H-O-H (two lone pairs on oxygen)

400

What's the difference between a gas and a plasma?

Plasmas are hotter, have free electrons, and conduct electricity

400

What is the nomenclature name for water?

Dihydrogen monoxide

500

What is the only molecular geometry in steric number four with no lone pairs?

Tetrahedral

500

What is the process called when a liquid turns into a gas?

evaporation

500

Write the formula for methane.

CH4