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Chapter 2 and 3

Matter anything that occupies space and mass
Mass the quality of matter an object has
Elements substances that cannot be broken don chemically into simpler kinds of matter
Atom the simplest particle of an element that retains all of the properties of that element
Nucleus the central rejoin that makes up the bulk of the mass of the atom and consistences of two kinds of subatomic particles
Proton a positively charged subatomic particle
Atomic Number a negatively charged subatomic particle
Mass Number equal to the total number of protons and neutrons of the atom
Electrons .....
Orbital a three-dimensional region around a nucleus that indicates the probable location of an electron
Isotopes atoms of the same element that have a different number of neutrons
Compounds made up of atoms of two or more elements in fixed proportions
Chemical bonds the attractive forces that hold atoms together
Covenant bond forms when two atoms share one or more pairs of electrons
Molecole the simplest part of a substance that retains all of the properties of that substance and can exist in a free state
Ion an atom or molecloe with an electronic charges
Ionic Bonds
Created by: hmoore20