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Counting Atoms Practice

Authored by Anna Lavender

Science

6th - 8th Grade

NGSS covered

Used 874+ times

Counting Atoms Practice
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many total atoms are in the compound for ammonia, NH3

2

3

4

5

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many elements are in the compound for propane, C3H8

2

3

8

11

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The chemical formula for glucose is C6H12O6. How many hydrogen atoms are in glucose?

3

6

12

24

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

NaCl is the chemical formula for salt. Is NaCl considered a compound or an element?

element

compound

both

neither

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many total atoms are in the compound 2H2O?

2

3

4

6

Tags

NGSS.MS-PS1-1

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Media Image

The chemical formula for baking soda is NaHCO3. How many total atoms are in this chemical formula?

3

4

5

6

Tags

NGSS.MS-PS1-1

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Media Image

We breathe oxygen. Its chemical formula is O2. Is this formula an element or a compound?

element

compound

neither

both

Tags

NGSS.MS-PS1-1

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