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Elements, Compounds and Mixtures
What is an Element?
An element is a substance made from only
one type of atom.
Remember this definition as you might need it in the exam!
Carbon is made entirely from carbon atoms.
Sodium is made entirely from sodium atoms.
Unlike a compound,
an element cannot be broken
(chemically) into a more simple substance.
The periodic table shows all the elements.
the same element have the same number of protons
and therefore have the same atomic number.
Links Solid Liquid Gas Revision Questions
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