Elements R12

Elements R12

8th Grade

12 Qs

quiz-placeholder

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Elements R12

Elements R12

Assessment

Quiz

Science

8th Grade

Medium

Created by

Dr Southern

Used 3+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the smallest unit of an element that maintains the properties of that element?

Compound

Atom

Molecule

Mixture

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a pure substance made of two or more elements that are chemically combined?

Mixture

Solution

Compound

Suspension

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do you call a substance that consists of two or more substances mixed together but not chemically combined?

Element

Compound

Mixture

Molecule

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a characteristic of a compound?

Has a fixed composition

Can be separated by physical means

Made of elements in a specific ratio

Has properties different from its component elements

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct representation for a molecule of water?

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a mixture?

Salt (NaCl)

Water (H2O)

Air

Carbon Dioxide (CO2)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms are in a single molecule of carbon dioxide (CO2)?

1

2

3

4

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