Atom - The building blocks of matter., Element - Made up of one type of atoms., Nucleus - The center of an atom, Protons - Positively charged particles of an atom., Electrons - negatively charged particles of an atom., Neutrons - Neutrally charged particles of an atom, Matter - Anything that has mass and occupies space, Three - There are ______ forms of matter., Atomos - A greek word meaning "not able to be divided" or indivisable, Electron Shell - Area around the nucleus of the cell where the electrons orbit, C - Carbon, H - Hydrogen, O - Oxygen,

Atoms & Elements

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