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Practice Counting Atoms

Authored by Charles Martinez

Science

8th Grade

NGSS covered

Practice Counting Atoms
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number of Sodium (Na) atoms in Na₂CO₃

1

2

3

6

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many elements are in the compound C2H8O ?

2

1

3

0

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many total atoms are in the compound C2H8O ?

11

2

8

1

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

How many Sodium (Na) are in 6NaCl?

1
12
6

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

How many TOTAL atoms are in this compound?
H2C3O4N5

5
14
15
19

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many Hydrogen are in 4H2O?

6
8
2
4

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

2H2 + O2 ----> 2H2O What is the product?

------>
2H2O
2H2+ O2

Tags

NGSS.MS-PS1-5

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