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Science

7th Grade

NGSS covered

Used 11+ times

1/22 Counting Atoms
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24 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many Oxygen atoms are in Al2O3?

3
2
5

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms of hydrogen are in

C6H12O6

6

12

18

2

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many atoms of Iron are in this compound?

1

2

3

4

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A pure substance that cannot be broken down into simpler substances.

element
compound
molecule
carbon dioxide

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

formula
atom
subscript
compound

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How many atoms are there TOTAL in H2SO4 ?

6

5

7

3

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Count the atoms for each of the different elements: H2O

H = 2, O = 1

H = 1, O = 2

H = 2, O = 2

H = 1, O = 1

Tags

NGSS.MS-PS1-1

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