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chapter 3,1

chapter 3.1

Atom The basic particle from which all elements are made
electron tiny negitivily charged particles that moves around the outside of the nuclous of an atom
nuclious in cells a large oval that contains the cells genetic material
proton small positively charged particles that are found in the nucleus of an atom
energy level a region of an atom in which electrons of the same energy level are likely to be found
neutron a small particle in the nucleus of an atom, with no electrical charge
atomic number The number of protons in the nucleus of an atom
istope an atom with the same number of protons and a different number
mass number The sum of protons and neutrons in the nucleus of an atom
Created by: jcole0168