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10/23 P8/ Counting atoms/physical changes

Authored by Dr. joneschaney

Science

7th Grade

NGSS covered

Used 1+ times

10/23 P8/ Counting atoms/physical changes
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23 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many Hydrogen atoms are in 4H2O?

6

8

2

4

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many Oxygen atoms are in H2O?

1

2

0

4

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many elements are in C6H12O6?

1
2
3
4

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

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

Tags

NGSS.MS-PS1-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2H2 + O--------> 2H2O What  are the reactants?

----->
2H2O
2H2 +O2

Tags

NGSS.MS-PS1-5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many elements are in this compound?... NaHCO3

3

4

5

6

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many elements are in this substance: CaCO3

2

3

4

5

Tags

NGSS.MS-PS1-1

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