Relative atomic mass & relative molecular mass

Relative atomic mass & relative molecular mass

1st - 10th Grade

15 Qs

quiz-placeholder

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Relative atomic mass & relative molecular mass

Relative atomic mass & relative molecular mass

Assessment

Quiz

Chemistry

1st - 10th Grade

Medium

NGSS
HS-PS1-8, HS-PS1-7

Standards-aligned

Created by

Yus Yusof

Used 837+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The relative atomic mass is the average mass of an atom compared to 
the mass of a carbon-12 atom.
1/12 the mass of a carbon-12 atom
the mass of a hydrogen atom
1/12 the mass of a hydrogen atom

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The relative molecular mass of a compound is equal to the sum of its
Atomic mass
Atomic number
Oxidation number
Valence electrons

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the relative molecular mass of fluorine gas, F2?
19
38
9
18

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the unit of relative molecular mass?
kilogram
gram
gram per mole (g/mol)
no units

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The formula of a compound is M(OH)2. Given that the Mr of the compound is 98, calculate the Ar of M.
32
64
81
94

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Each element is defined by the number of

Atoms

Isotopes

Neutrons

Protons

Nuclei.

Tags

NGSS.HS-PS1-8

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the relative formula mass of ammonium nitrate, NH4NO3 ?

[Relative atomic mass: N, 14; H, 1; O, 16]

76

79

80

90

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