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Science: Middle School: Grades 6, 7 and 8 Quiz - Atoms and Elements 2 (Questions)

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The atom is a basic unit of matter that consists of a dense central nucleus surrounded by a cloud of negatively charged electrons.

See how much you know in our second Science quiz on Atoms and Elements.

The smallest part of an element that retains the identity (and the chemical properties) of that element is ...

[ ]	A chemical
[ ]	A molecule
[ ]	An atom
[ ]	An electron

An element has.....

[ ]	Four names
[ ]	One name
[ ]	Three names
[ ]	Two names

How many atoms of sulfur are there in CuSO₄?

[ ]	Four
[ ]	One
[ ]	Three
[ ]	Two

What is the correct formula for H-H?

[ ]	2H
[ ]	H₁H₁
[ ]	H₂
[ ]	H₂₂

What is the correct symbol for Iron?

[ ]	Fe
[ ]	FE
[ ]	fe
[ ]	Ir

Most of the elements in the periodic table are.....

[ ]	Gases
[ ]	Liquids
[ ]	Metals
[ ]	Non metals

Which of the following metals is a liquid at room temperature?

[ ]	Lithium
[ ]	Magnesium
[ ]	Mercury
[ ]	Sodium

Which elements are in SO₂?

[ ]	Sodium and oxygen
[ ]	Strontium and oxygen
[ ]	Sulfur and oxygen
[ ]	Tin and oxygen

Which elements are in CoCO₃?

[ ]	Cobalt, carbon, oxygen
[ ]	Cobalt, copper
[ ]	Copper, carbon, oxygen
[ ]	Copper, chlorine, oxygen

10.

Which are the three magnetic elements?

[ ]	Cobalt, nickel, iron
[ ]	Copper, nickel, iron
[ ]	Iron, aluminum, copper
[ ]	Iron, zinc, copper

Science: Middle School: Grades 6, 7 and 8 Quiz - Atoms and Elements 2 (Answers)