Umami review

Random

100

Why are noble gasses considered stable and unreactive?

Because they have a full valence shell and do not have any lone electrons or spaces to fill.

200

Why are some elements ions in nature?

They are more stable as ions-they would be explosive or toxic in air otherwise.

300

Where are the alkali metals found?

In the first column 

Types of compounds

100

What type of compound has high conductivity and melting point?

Ionic compound

200

Which type of compound completely separates into individual ions when it dissolves?

Ionic compounds

300

What is happening with electrons when sodium and fluorine bond?

The lone electron in the outer shell of sodium to given to the fluorine.

Naming

100

What is the correct formula for Potassium Chloride?

KCl

200

What is the correct formula for Magnesium chloride?

MgCl₂

300

What is the correct formula for Aluminum carbonate?

Al₂(CO₃)₃

Polyatomic ions

100

What Mg(CO₃) dissolves into.

Mg and CO₃

Magnesium and carbonate

200

What K₂(SO₄) dissolves into.

2K and SO₄

300

List at least 3 polyatomic ions

Answer vary