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The Ultimate Elements and Atoms Quiz

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Questions and Answers

What is an element?

A substance that has a charge

A substance that consists of one type of atom only. (correct)

A substance that consists of many types of atoms.

A substance that can be broken down into simpler substances by chemical means.

An element is a substance that can’t be broken down into anything simpler by ______ means.

chemical

Acids react with metals to produce ______ gas and salt.

hydrogen

What is a molecule?

When two or more atoms are bonded together. (A) Signup and view all the answers

Halogens can undergo ______ reactions.

displacement Signup and view all the answers

An atom is made up of ______, protons and neutrons, and can be divided into the nucleus and the shells.

electrons Signup and view all the answers

What is an ion?

A charged atom. (D) Signup and view all the answers

A ______ is a charged atom, i.e. it has lost or gained an electron to form an ion.

ion Signup and view all the answers

Acid and base reactions produce ______ and water.

salt Signup and view all the answers

Neutralisation reactions involve the formation of ______ and salt.

water Signup and view all the answers

Oxidation numbers can be used to determine whether an element is ______ or reduced.

oxidised Signup and view all the answers

Displacement reactions involving solid compounds require ______ temperatures.

high Signup and view all the answers

More reactive halogens can displace less reactive halogens in ______ solutions.

aqueous Signup and view all the answers

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Description

Test your knowledge on the fundamentals of elements and atoms with this quiz! Learn about the properties of elements and their atomic structure, and explore the differences between elements and compounds. This quiz is perfect for anyone interested in chemistry or looking to expand their understanding of the building blocks of matter.