13 Questions
What is an element?
A substance that consists of one type of atom only.
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.
Halogens can undergo ______ reactions.
displacement
An atom is made up of ______, protons and neutrons, and can be divided into the nucleus and the shells.
electrons
What is an ion?
A charged atom.
A ______ is a charged atom, i.e. it has lost or gained an electron to form an ion.
ion
Acid and base reactions produce ______ and water.
salt
Neutralisation reactions involve the formation of ______ and salt.
water
Oxidation numbers can be used to determine whether an element is ______ or reduced.
oxidised
Displacement reactions involving solid compounds require ______ temperatures.
high
More reactive halogens can displace less reactive halogens in ______ solutions.
aqueous
Study Notes
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.
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