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Chemistry Basics Quiz

Authored by Oscar King

Science

7th Grade

NGSS covered

Used 3+ times

Chemistry Basics Quiz
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40 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Which statement best describes an element?

A substance made of two or more types of atoms chemically bonded

A substance made of only one type of atom

A substance where atoms are not bonded and can be separated easily

A mixture that looks the same throughout

2.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Which is the correct rule for element symbols?

All letters are lowercase

All letters are uppercase

First letter capital, second (if any) lowercase

First letter lowercase, second uppercase

3.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

What is the correct symbol for sodium?

So

Sd

Na

Sn

4.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Which is a molecular element?

O₂

CO₂

H₂O

CaCO₃

5.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Which statement is true of pure substances?

They contain different particles not bonded together

Their particles are all the same throughout

They are always mixtures

They must be liquids

6.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

In H₂O, how many hydrogen atoms are in one molecule?

1

2

3

4

7.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

In CO₂, how many oxygen atoms are in one molecule?

1

2

3

4

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