Chemical Formulas

Quiz
•
Science
•
8th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This appears on the left side of a chemical formula, and represents how many molecules there are.
an atom
the subscript
a molecule
the coefficient
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many nitrogen atoms are there?
4
8
10
20
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the formula for calcium chloride, CaCl2, there are ___ atoms of chlorine in a formula unit.
1
2
3
it is estimated in the billions, but we're not sure
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The formula for caffeine is C8H10N4O2. There are ___ nitrogen atoms in a molecule.
4
8
2
10
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the formula for calcium chloride, CaCl2, there are ___ atoms of calcium in a formula unit.
1
2
3
it cannot be determined by current science
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The compound calcium chloride, CaCl2,uses _______ bonds to hold the atoms together.
metallic
ionic
covalent
intrinsic
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The formula for sulfur trioxide is SO3. There are ___ atoms of sulfur in a molecule.
1
2
3
4
Tags
NGSS.MS-PS1-1
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