Grades 6, 7 and 8 | Science | Middle School

Back to Science: Middle School: Grades 6, 7 and 8

Science: Middle School: Grades 6, 7 and 8 Quiz - Atoms and Elements 3 (Questions)

This Science quiz is called 'Atoms and Elements 3' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.

It costs only $12.50 per month to play this quiz and over 3,500 others that help you with your school work. You can subscribe on the page at Join Us

Hydrogen and plutonium are just two examples of elements. Of the 118 known elements, the first 94 occur naturally on Earth. Of these, oxygen is the most abundant element in the Earth's crust (which is handy as we need oxygen to survive!).

Test your knowledge in our third Science quiz on Atoms and Elements.

Which of these substances is an element?

[ ]	Air
[ ]	Fire
[ ]	Oxygen
[ ]	Water

The smallest part of an element is called .......

[ ]	A mixture
[ ]	A molecule
[ ]	An atom
[ ]	An ion

An element is a substance that .......

[ ]	Can be split up by physical methods
[ ]	Can be split up into simpler parts by a chemical reaction
[ ]	Is made up of different kinds of atom
[ ]	Is made up of only one kind of atom

Which of these substances is an element?

[ ]	Chlorine
[ ]	Ice
[ ]	Methane
[ ]	Sodium chloride

When two elements combine, the name of the compound will end in .......

[ ]	-ATE
[ ]	-IDE
[ ]	-ITE
[ ]	-IUM

The correct chemical symbol for magnesium is .......

[ ]	Mg
[ ]	mg
[ ]	MG
[ ]	mG

C is the correct chemical symbol for .......

[ ]	Calcium
[ ]	Carbon
[ ]	Chlorine
[ ]	Cobalt

Which of these metals is a pure element?

[ ]	Brass
[ ]	Bronze
[ ]	Silver
[ ]	Steel

Which of these show a diatomic element?

[ ]	CO
[ ]	H₂
[ ]	He
[ ]	SO₂

10.

When the elements lead and bromine combine together, the name of the substance formed is called .......

[ ]	Lead bromate
[ ]	Lead bromide
[ ]	Lead bromite
[ ]	Lead bromium

Science: Middle School: Grades 6, 7 and 8 Quiz - Atoms and Elements 3 (Answers)

Which of these substances is an element?

[ ]	Air
[ ]	Fire
[x]	Oxygen
[ ]	Water

The smallest part of an element is called .......

[ ]	A mixture
[ ]	A molecule
[x]	An atom
[ ]	An ion

An element is a substance that .......

[ ]	Can be split up by physical methods
[ ]	Can be split up into simpler parts by a chemical reaction
[ ]	Is made up of different kinds of atom
[x]	Is made up of only one kind of atom

Which of these substances is an element?

[x]	Chlorine
[ ]	Ice
[ ]	Methane
[ ]	Sodium chloride

When two elements combine, the name of the compound will end in .......

[ ]	-ATE
[x]	-IDE
[ ]	-ITE
[ ]	-IUM

The correct chemical symbol for magnesium is .......

[x]	Mg
[ ]	mg
[ ]	MG
[ ]	mG

If the symbol has two letters only the first is a capital

C is the correct chemical symbol for .......

[ ]	Calcium
[x]	Carbon
[ ]	Chlorine
[ ]	Cobalt

Which of these metals is a pure element?

[ ]	Brass
[ ]	Bronze
[x]	Silver
[ ]	Steel

The others are are all mixtures of two or more elements

Which of these show a diatomic element?

[ ]	CO
[x]	H₂
[ ]	He
[ ]	SO₂

Diatomic = 2 atoms. Element = Single substance

10.

When the elements lead and bromine combine together, the name of the substance formed is called .......

[ ]	Lead bromate
[x]	Lead bromide
[ ]	Lead bromite
[ ]	Lead bromium