Counting Atoms and Chemical and Physical Changes

Counting Atoms and Chemical and Physical Changes

6th Grade

23 Qs

quiz-placeholder

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Counting Atoms and Chemical and Physical Changes

Counting Atoms and Chemical and Physical Changes

Assessment

Quiz

Science

6th Grade

Hard

NGSS
MS-PS1-2, MS-PS1-1, MS-PS1-5

+2

Standards-aligned

Created by

Elizabeth Advey

Used 2+ times

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23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many different elements are present in H2COCH2

5

4

3

2

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ______ are numbers found on the lower right-hand side of an element symbol.

Coefficient

Exponent

Multiplier

Subscript

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

H2SO4

H = 2, S = 4, O = 4

H = 2, S = 1, O = 4

H = 8, S = 4, O = 4

H = 2, SO = 4

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many different elements are present in this molecule?

3 NH4C2H3O2

15

36

5

4

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The law of conservation of matter states that

chemical reactions change matter.
in chemical reactions, the identity of reactants and products is conserved.
atoms are neither created nor destroyed in chemical reactions.
a chemical equation must be balanced.

Tags

NGSS.MS-PS1-5

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many atoms of Calcium are in this equation?

H3O5CaCl7

3

5

1

7

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many atoms of Carbon are in this equation?


HʒC5O4

3

1

5

4

Tags

NGSS.MS-PS1-1

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