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Grade 9 Chemical Naming Basics

A worksheet covering fundamental concepts of chemical naming for ionic and covalent compounds, including nomenclature rules and formula writing.

Grade 9 Science ChemistryChemical Naming
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Includes

Fill in the BlanksMultiple ChoiceTrue / FalseShort AnswerMatchingCustom

Standards

HS-PS1-2HS-PS1-3

Topics

chemistrychemical namingnomenclatureionic compoundscovalent compoundsgrade 9science
8 sections · Free to use · Printable
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Grade 9 Chemical Naming Basics

Name:

Date:

Score:

Read each question carefully and provide your best answer. Show all your work where applicable.

1. Ionic compounds are formed between a   and a nonmetal.

2. When naming ionic compounds, the metal is named   and the nonmetal ending is changed to  .

3. The chemical formula for sodium chloride is  .

4. Magnesium oxide is an ionic compound with the formula  .

1. Which prefix indicates three atoms of an element in a covalent compound?

a

Di-

b

Tri-

c

Tetra-

d

Penta-

1. The compound CO2 is named carbon monoxide.

T

True

F

False

2. In a covalent compound, two nonmetals share electrons.

T

True

F

False

1. Explain the difference between naming ionic and covalent compounds.

Match the chemical formula with its correct name.

1. KBr

 

a. Carbon tetrachloride

2. CCL4

 

b. Potassium bromide

3. SO3

 

c. Sulfur trioxide

Observe the illustration of an ionic bond formation. In your own words, describe what is happening to the electrons.

Ionic Bond Formation