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7/8 Chem Test 1

Authored by Hope Mehl

Science

7th Grade

Used 2+ times

7/8 Chem Test 1
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19 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

all matter is made of what 

energy 
atoms 
electrons 
compounds 

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

electrons have this type of charge?

negative
positive
neutral

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The atomic number tells you what?

number of electrons
number of protons
number of neutrons
both electrons and protons in an atom.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The number at the top of each square on the periodic table is the ...

atomic number
atomic mass
Chemical Symbol
Element Name

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Fe2O3
(rust) made up of?

1 flourine, 2 einsteinium,
3 oxygen
2 fluorine, 3 oxygen
2 iron, 3 oxygen
2 iron, 3 osmium

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many different elements are there?

10

50

100

118

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Ozone and Oxygen molecules are the same substance because they both are made only of oxygen atoms.

true

false

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