Chemical Formulas

Chemical Formulas

8th Grade

15 Qs

quiz-placeholder

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Chemical Formulas

Chemical Formulas

Assessment

Quiz

Science

8th Grade

Hard

NGSS
MS-PS1-1

Standards-aligned

Created by

Lisa Thompson

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This appears on the left side of a chemical formula, and represents how many molecules there are.

an atom

the subscript

a molecule

the coefficient

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How many nitrogen atoms are there?

4

8

10

20

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the formula for calcium chloride, CaCl2, there are ___ atoms of chlorine in a formula unit.

1

2

3

it is estimated in the billions, but we're not sure

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The formula for caffeine is C8H10N4O2. There are ___ nitrogen atoms in a molecule.

4

8

2

10

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the formula for calcium chloride, CaCl2, there are ___ atoms of calcium in a formula unit.

1

2

3

it cannot be determined by current science

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The compound calcium chloride, CaCl2,uses _______ bonds to hold the atoms together.

metallic

ionic

covalent

intrinsic

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The formula for sulfur trioxide is SO3. There are ___ atoms of sulfur in a molecule.

1

2

3

4

Tags

NGSS.MS-PS1-1

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