Core and Valence Electrons
Random Chemistry
Naming Binary Ionic Compounds
Ionic Compound Formulas
Monatomic and Polyatomic Ions
100

What are Valence Electrons?

Valence Electrons are the electrons on the outermost energy level / shell (Valence Shell)

100

What is the name of the only group on the Periodic Table that all elements have a full outer shell?

Noble Gases

100

What two types of elements make up ionic compounds?

Metals and Nonmetals

100

What is the formula for the compound Sodium Nitride?

Na1+  N3-

Na3N

100

What is a monatomic ion?

A monatomic ion is an ion composed of just one type of atom

200

How many electrons can the first energy level hold?

2

200

What type of element is responsible for giving away electrons when it forms and ionic compound?

Metal Elements

200

What is the name of a compound made up of Beryllium and Oxygen?

Beryllium Oxide

200

What is the formula for Aluminum Phosphide?

Al3+  P3-

AlP

200

What is a polyatomic ion?

A polyatomic ion is an ion that has many atoms together that forms one ion

300

What are core electrons?

Core Electrons are all electrons besides the Valence Electrons

300

Why do nonmetal elements gain electrons when forming ionic compounds?

Because they are trying to obtain a full valence shell

300

What is the name of a compound made up of Sodium and Iodine?

Sodium Iodide

300
What is the formula for potassium carbide?


K+.    C4-

K4C

300

What is the name of the polyatomic ion NO3?

Nitrate

400

How many Valence electrons gives an atom a full valence shell?

8 electrons

400

What happens to electrons when they gain energy?

The move up to a new energy level (Excited State) before releasing energy and moving back down to its original position (Ground State)

400

What is the name of the compound Al2S3?

Aluminum Sulfide

400

What is the formula for the compound magnesium oxide?

Mg2+.   O2-

MgO

400

What is the name of the polyatomic ion with the formula of SO4?

Sulfate

500

How many Core electrons are present in the model?

10

500

Name a compound that has a positive polyatomic ion and a negative polyatomic ion

Ammonium Sulfate

Ammonium Nitrate

Ammonium Carbonate

Ammonium Hydroxide

Ammonium Phosphate

500

What is the name of Sr3N2?

Strontium Nitride

500

What is the formula for the compound Copper Iodide?

Copper = +2

Iodine = -1

CuI2

500

What is the name of the one positive polyatomic ion we have learned about?

Ammonium