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Compounds

Authored by Fiona Barclay

Chemistry

7th Grade

Compounds
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is not a compound?

HCl
Cl
NaCl
CO2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following represents an element?

H2O
H2
NaCl
CaCO3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Salt water boils and the water completely evaporates, salt (NaCl) is left in the bottom of the beaker. Which of the following is left in the beaker?

Compound
Element
Mixture
None of the Above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What cannot be broken down into other substances?

Compound
Mixture
Solids
Element

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many elements are represented in the compound?
Na2CO3

1
2
3
4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

K20 - name?

potassium dioxide
potassium oxide
potassium oxygen
dipotassium dioxide

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The periodic table is organized in horizontal rows called...

Groups

Families

Periods

Chemical Symbols

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