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Science Worksheet

By Madeline Richman
substance that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter
the basic unit of a chemical element
diverse in character or content
Force away from each other
A chemical change that occurs when two or more substances combine to form a new substance
A group of atoms bonded together
A substance is matter which has a specific composition and specific properties
the positively charged mass within an atom, composed of neutrons and protons
Stable subatomic particle with a charge of negative electricity
The system of electrons surrounding the nucleus of an atom
Forms when two or more substances are combined such that each substance retains its own chemical identity
to approach or adhere
consisting of parts all of the same kind
A subatomic particle in the nucleus with a positive charge
A device producing high-voltage static electricity
Subatomic particle with same mass as a proton but no electric charge