Elements
Define an element.
A substance made up of only one type of atom.
What is the term used when something is not able to be bent; will break if stressed.
brittle
What is an electron?
A negatively charged particle that moves around the nucleus of an atom
What does the term mass mean?
It is the amount of substance within matter.
What is a substance containing atoms of two or more elements bonded together in fixed proportions.
A compound
What does the term malleable mean?
Something is able to be bent and shaped.
What is a neutron?
A particle found in the nucleus of an atom that has no charge.
What is a molecule?
A group of atoms chemically bonded together.
Explain what the periodic table is.
A table of all known elements and their chemical symbols.
What is the smallest unit of an element?
an atom
What is the nucleus of an atom?
It is the centre of an atom, which contains protons and neutrons.
What is a mixture?
A substances mixed together that can be physically separated.
What is a chemical symbol and give an example.
A symbol of one or two letters used to represent an element. ie C.
What is an alloy?
A mixture of a metal and one or more other elements.
What is a proton?
A positively charged particle found in the nucleus of an atom.
Why do we use the same format for the periodic table across the world?
It is a universal format and is internationally known.