Counting Atoms in a Compound Practice

Counting Atoms in a Compound Practice

8th Grade

10 Qs

quiz-placeholder

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Counting Atoms in a Compound Practice

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Assessment

Quiz

Science

8th Grade

Medium

NGSS
MS-PS1-1, MS-PS1-5

Standards-aligned

Created by

Kanti Choudhari

Used 45+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms are in O2 ?

1

2

3

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms of each element are in NaCl?

Na=1, Cl=1

Na=2. Cl=2

Na=1, Cl-2

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

C6H12O6 has how many total atoms?

6

12

24

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many elements are in this substance: CaCO3

2

3

4

5

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5 N2O represents the laughing gas you might have at the dentist. How many atoms of nitrogen are present here?

1

2

7

10

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many Magnesium atoms are in 10MgCl2?

10

5

20

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms of Oxygen are in Fe(NO3)3 ?
6
3
9
1

Tags

NGSS.MS-PS1-1

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