Relative Formula Mass Quiz
Chemistry
9th Grade
Used 77+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 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
45 sec • 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
1 min • 1 pt
What is the atomic mass of magnesium?
2
4
12
24
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the relative atomic mass of sodium?
11
23
46
64
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the relative molecular mass of fluorine gas, F2?
19
38
9
18
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relative formula mass of NaOH?
20
39
40
45
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of relative molecular mass?
kilogram
gram
gram per mole (g/mol)
no units
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