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Periodic table

Vocab for Matter/Elements

TermDefinition
Matter anything that takes up space and has mass
Mass the material that matter is made up of
Volume how much room/space matter takes up
Density how much D = M/V the amount of matter /stuff matter takes up within a specific space
Atom Smallest part of an element, the building blocks of all matter
Electron part of an atom that forms a circle around the nucleus it has a negative charge and it has an attractive force.
Proton a positive charged atom inside the nucleus
Neutron atom particle with neutral/no charge found inside the nucleus with the protons
Periodic Table large grid that identifies and classifies all of the elements by their physical and chemical 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 element has for the electrons to move
Groups or family/columns Columns that tell how many valence each element has / The number of electrons that can move on the 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 the same # of neutrons and electrons.
Atomic mass The measurement of the mass for an elements atoms.
Chemical property The ability of substances 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 electrons during binding.
Covalent bond When elements share electrons during bonding.
chemical change/ reaction Two or more elements combine together through the attractive force of electrons creating some type of reaction and change.
Compound/ molecule Two or more elements that combine together in a specific ratio/pattern creating a whole new and different substance.
Mixture Two or more substances combine together keeping their original properties, they don't change into a new substance/compound.
Nobel gasses All of the elements in group #18- they are the most stable elements because they have eight electrons in their outer shell.
Halogens All of the elements in group #1- they are very reactive bonding easily with elements in group #1 because they have seven valence electrons and want to be stable.
Alkali Metals All of the elements in group #1- they are very reactive because they only have one valence electron.
Metalloids Elements between metals and non- metals that can react either way, they have 3-7 valence electrons.
Created by: TheTraveler
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