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7th
grade

Chemistry, Science

52%

accuracy

66

plays

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6 years

Chemistry, Science

7th

grade

Element vs. Compound

user

66
plays

9 questions

9 questions

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1. Multiple Choice
30 seconds
1 pt
Which of the following is a diatomic molecule?
CO₂
CO
O₂
C
2. Multiple Choice
30 seconds
1 pt
elements that are stable as single atoms are called. . .
Molecules
Atoms
Monoatomic
Diatomic
3. Multiple Choice
30 seconds
1 pt
What is the symbol for Hydrogen?
h
Hyd
H₂0
H
4. Multiple Choice
30 seconds
1 pt
How many atoms of hydrogen are in the following molecule:
HCl
0
1
2
3
5. Multiple Choice
30 seconds
1 pt
Pure substances made of 2 or more different elements that are chemically combined in a specific ratio is a . . .
Atom
Element
Compound
Molecule
6. Multiple Choice
30 seconds
1 pt
Number of atoms in a molecule’s chemical formula is represented by . . .
Atomic number
Atomic mass
Subscript
Diatomic
7. Multiple Choice
30 seconds
1 pt
A group of 2 or more atoms held together by chemical bonds.
Element
Molecule
Mixture
Subatomic particles
8. Multiple Choice
30 seconds
1 pt
Pure substances listed on the periodic table that cannot be broken down into any other substances by chemical or physical means
Elements
Compounds
Molecules
Mixtures
9. Multiple Choice
30 seconds
1 pt
Which of the following is an example of a monoatomic element?
N₂O
F₂
Ne
NaCl
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