Describing Compounds Review

Electrons

100

What are valence electrons?

Electrons found on an atom's outermost shell.

200

What is the shell occupation order?

2, 8, 8, 18, etc.

300

How many valence electrons does oxygen have?

6 valence electrons.

400

What happens if an atom loses or gains an electron?

I becomes an ion.

500

Which group has a full electron shell?

Noble Gases (Group 18)

Chemical Bonding

100

What does chemical bonding depend on?

The valence electrons.

200

What is chemical bonding?

the combing of atoms to form molecules or ionic compounds.

300

What is a chemical bond?

An interaction that holds atoms or ions together.

400

which group doesnt form bonds?

Group 18

500

what can chemical bonds change?

chemical bonds change the properties of combined atoms.

Random

100

Two major categories of matter

pure substances and mixtures

200

How do ionic compounds form solids?

Ionic compounds form solids by building up a repeating pattern called a chrystal lattice.

300

Purpose of Lewis Dot Structures

Show the valence electrons

400

difference between and compound and mixture

compounds are chemically bonding, mixtures are physically combined

500

The ratio by mass of the elements in a chemical compound is always the same, regardless of the source of the compound

Law of constant composition

Writing Chemical Formulas

100

hydrogen monoxide

HO

200

magnesium acetate

Mg(C₂H₃O₂)₂

300

dinitrogen trioxide

N₂O₃

400

copper (I) arsenide

C₃As

500

lead (II) sulfite

PbSO₃

Naming Chemical Formulas

100

SeF₄

selenium tetrafluoride

200

BF₃

boron trifluoride

300

BeSO₄

beryllium sulfate

400

Co₃N₂

cobalt nitride

500

Ga(NO)₃

gallium nitrite