Relative Formula Mass

Relative Formula Mass

9th Grade

15 Qs

quiz-placeholder

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Relative Formula Mass

Relative Formula Mass

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Medium

NGSS
HS-PS1-7

Standards-aligned

Created by

Charles Martinez

Used 7+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The relative formula mass (RFM) of a compound is equal to the sum of its

Mass numbers

Atomic numbers

Oxidation numbers

Valence electrons

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the atomic mass number of magnesium?

2

4

12

24

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the relative mass number of sodium?

11

23

46

64

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the relative formula mass of fluorine gas, F2?

19

38

9

18

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the relative formula mass of NaOH?

Na= 23

O= 16

H= 1

20

39

40

45

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the relative formula mass of CO2?

C= 12

O= 16

12

16

32

44

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The formula of a compound is M(OH)2. Given that the relative formula mass of the compound is 98, calculate the relative mass number of of M.

32

64

81

94

Tags

NGSS.HS-PS1-7

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