Counting Atoms

Counting Atoms

10th Grade

10 Qs

quiz-placeholder

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Counting Atoms

Counting Atoms

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Medium

NGSS
MS-PS1-1

Standards-aligned

Created by

Mary Toothaker

Used 168+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many different elements are present in H2C2H3O2?

1

2

3

4

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these elements is not present in NaNO3?

sodium

hydrogen

oxygen

nitrogen

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many magnesium atoms are found in MgCl2?

1

2

3

4

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many aluminum atoms are found in Al2O3?

1

2

3

4

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many sulfur atoms are present in Al2(SO4)3

1

2

3

4

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A subscript will tell you the number of atoms of the element ___ it

after

before

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A subscript behind a set of parentheses belongs to

the element right before it

all the elements within the parentheses before it

all the elements in the parenthese after it

the element right after it

Tags

NGSS.MS-PS1-1

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