Flash Cards

Matter and it’s Uses

Question Answer
model a useful representation of something that aids in studying the subject further
nucleus the central core of an atom
proton a particle in the nucleus of an atom that has a positive charge
neutron a particle in the nucleus of an atom that has no charge
electron a particle outside the nucleus of an atom that has no charge
element substance that is made of only one particular type of atom and cannot be broken down into simpler substances
chemical symbol one or two letters that represent an elements by their properties
periodic table a chart that arranges all the known elements by their properties
molecule two or more atoms joined together
compound a molecule that consists of two or more different elements




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