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Covalent Formulas Worksheet

A Grade 10 chemistry worksheet focusing on understanding and writing covalent formulas, including Lewis structures and molecular geometry.

Grade 10 Science ChemistryChemical BondsCovalent Formulas
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Includes

Multiple ChoiceTrue / FalseFill in the BlanksShort AnswerMatching

Standards

HS-PS1-2HS-PS1-3

Topics

chemistrycovalent bondsmolecular formulasLewis structuresVSEPR
7 sections · Free to use · Printable
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Covalent Formulas Worksheet

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Read each question carefully and provide your best answer. Show all your work for calculations and drawing structures.

1. Which of the following elements is most likely to form a covalent bond with another nonmetal?

a

Sodium (Na)

b

Calcium (Ca)

c

Carbon (C)

d

Iron (Fe)

2. What type of bond is formed when atoms share electrons?

a

Ionic bond

b

Metallic bond

c

Covalent bond

d

Hydrogen bond

1. In a covalent bond, electrons are transferred from one atom to another.

T

True

F

False

2. The molecule H₂O is an example of a covalent compound.

T

True

F

False

1. A covalent bond is formed between two   atoms.

2. In a single covalent bond,   pair(s) of electrons are shared.

3. The ability of an atom to attract electrons in a chemical bond is called  .

1. Draw the Lewis structure for carbon dioxide (CO₂).

Covalent bond formation

2. Explain the difference between a polar and a nonpolar covalent bond.

Match the term on the left with its definition on the right.

1. Octet Rule

 

a. A bond where electrons are shared unequally

2. Polar Covalent Bond

 

b. Atoms tend to gain, lose, or share electrons to achieve eight valence electrons

3. Nonpolar Covalent Bond

 

c. A bond where electrons are shared equally