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Everything about matter

matter anything that has mass takes up space
mass the material/place that matter is made up of-it can be measured
space/volume the specific area/place that matter takes up
density d=m/v the amount of mass in a specific volume of space
atom smallest part of an element, the building blocks of all matter
electron particle of an atom with a negative charge, moves around the nucleus and has an attractive force that allows it to bond with other atoms creating everything in the universe
proton particle of an atom with a positive charge located inside the nucleus
neutron particle of an atom with a neutral/ no charge located inside the nucleus along with the protons
Periodic Table 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 mater in the universe
periods/rows rows that tell how many energy levels each elements has for the electrons to move around
group or family/columns columns that 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 the 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
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
compoound/molecule two or more elements combined together in a specific ratio/pattern creating whole, new and different substance
mixture two or more substances combined together keeping their original properties/ they do not change into a new substance/compound
Noble gases all of the elements in group #18-they are the most stable elements because they have valence electrons in the outer shell
Halogens all of the elements in group #17-they are very reactive bonding easily with elements in group #1 because they have seven valence electrons and want tot be stable
Alkali Metals all of the elements in group #1- they are very reactive because they only have one valence electron
Metalliods elements between metals and non-metals that can react either way, they have 3 – 7 valence electrons
Created by: Babies