Terms and Concepts Periodic Table

Term Definition
matter Anything that has mass and takes up space
mass the material that matter is made up of
volume how much room/space matter takes up
density D =m/v the amount of material/stuff matter takes up within a specific space
atom smallest part of an element, the building blocks of all matter
electron particle of an atom that surrounds the nucleus, it has a negative charge and attractive force to bond with
proton particles of an atoms that positive charge located in the nucleus.
Atomic mass the measurement of the mass for an elements atoms
Atomic number how many protons an element has inside the nucleus/usually is the same #of neutrons and electrons
chemical property the ability of substances to combine with one another forming new and different compounds and molecules
Physical property the state of matter and appearance of a substance
ionic bond when elements either lose or gain an electron during bonding
covalent bond when elements share electrons during bonding
chemical change/reaction elements bond together through the attractive force of electrons creating some type of reaction and change
compound/molecule two or more elements combine together in a specific ratio/pattern

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