Unit 1: L2 Review

Compare and contrast elements and compounds. Which of the following statements is true?

• Elements are made up of different types of atoms, while compounds are made up of the same type of atoms.

• Elements are made up of the same type of atoms, while compounds are made up of different types of atoms.

• Elements and compounds are both made up of the same type of atoms.

• Compounds are made up of the same type of atoms, while elements are made up of different types of atoms.

Tags

DOK Level 2: Skill/Concept

TEKS.SCI.7.6A

Which of the following chemical formulas represents a compound?

Tags

DOK Level 2: Skill/Concept

TEKS.SCI.7.6A

Which of the following chemical formulas represents only molecules? (Check all that apply)

Tags

NGSS.MS-PS1-1

Which of the following is not a chemical formula, molecule, or compound?

Tags

NGSS.MS-PS1-1

• 1

• 2

• 4

• 6

Tags

DOK Level 2: Skill/Concept

TEKS.SCI.7.6B

• 2

• 4

• 5

• 6

Tags

DOK Level 2: Skill/Concept

TEKS.SCI.7.6B

• 2

• 4

• 5

• 6

Tags

DOK Level 2: Skill/Concept

TEKS.SCI.7.6B

Which of the following is a correct comparison between an element and a compound?

• An element can be broken down into simpler substances, while a compound cannot.

• A compound can be broken down into simpler substances, while an element cannot.

• Both elements and compounds can be broken down into simpler substances.

• Neither elements nor compounds can be broken down into simpler substances.

Tags

DOK Level 2: Skill/Concept

TEKS.SCI.7.6A

• 1

• 2

• 3

• 4

Tags

DOK Level 2: Skill/Concept

TEKS.SCI.7.6B

Which of the following chemical symbols represents an element?

Tags

DOK Level 2: Skill/Concept

TEKS.SCI.7.6A