C1.2.3 Compounds

C1.2.3 Compounds

Assessment

Passage

Science

7th Grade

Practice Problem

Hard

Created by

James Hewison

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a compound?

Lots of elements in a mixture

A substance made of two or more elements joined together

It's where I keep my bike

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill in the blank: A water molecule has one oxygen atom joined to two _______ atoms.

Nitrogen

Hydrogen

Carbon

Helium

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the state of oxygen at room temperature?

Solid

Liquid

Gas

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill in the blank: The properties of a compound are different from the properties of the _______ it is made up of.

Elements

Molecules

Compounds

Mixtures

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sodium is a ____.

Shiny metal

Smelly gas

Poisonous liquid

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chlorine is a ____.

Shiny metal

Smelly green gas

Colorless liquid

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element is a shiny metal that fizzes in water?

Sodium

Chlorine

Oxygen

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