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Periodic Table

Vocabulary for Matter and Elements

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 The smallest particle of an element, the building blocks of all matter.
Electron A particle of an atom with a negative charge, that has an attractive force and moves around the nucleus that allows it to bond with other atoms creating everything in the universe.
Proton A particle of an atom with a positive charge located inside the nucleus.
Neutron A particle of an atom with no charge located inside the nucleus along with the proton.
Periodic Table A large grid that identifies and classifies all of the elements by their chemical and physical properties.
Element The simplest substances that cannot be broken down / they make up all matter in the universe.
Periods/Rows Rows that tell how many energy levels each elements has for the electrons to move around
Groups or Family/Columns Columns that may tell how many valence electrons each element has/ the number of electrons that can move on its outer shell/ energy level.
Valence Electrons The electrons that move on the outer shell/ energy level of an atom.
Atomic Number How many protons an element has inside the nucleus/ usually is same # of neutrons and electrons.
Atomic Mass The measurement of the mass for an elements atoms.
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.