4.1 Word list
Add five words with definitions here
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The smallest particle of an element that still has the properties of the element.
everthing is made of tiny particles called atoms.
the arrangement of atoms in compounds changes to form new compounds.
Something have two or more atom but atom can't be same.
symbol of electron
have a negative charge,surrounding the nucleus
A pure substance that cannot be broken down into simpler material. Contain only one kind of atom..
an atom with an electrical charge
up with the Atomic Theory (1800’s)
a kind of element