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Periodic Table

Vocabulary For Matter And Elements

QuestionAnswer
Matter Anything that takes up space and has mass.
Mass The material that matter is made up of.
Space/Volume How much room/space matter takes up.
Density D= m/v The amount of material/stuff matter takes within a specific space.
Atom Smallest part of an atom.
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 Partial 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 proton.
Periodic Table Large grid that identifies and classifies all of the elements by there 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 element has for the electrons to move around.
Groups Or Family /Column 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 same # of neutrons and electrons.
Atomic Mass The measurement of the mass for an elements atom.
Chemical Properties The ability of substances to combine with one another forming new and different compounds and molecules.
Physical Properties 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 creating a whole, new substance /compound.
Mixture Two or more substances combine 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 8 electrons in their outer shell.
Halogens All of the elements in Group #17 -they are very reactive bonding easily with elements in Group #1 because they have 7 valence electrons and want to be stable.
Alkali Gases 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.
Endothermic Chemical reaction that takes in energy
Exothermic Thing that change out of we have no control
Created by: SerenaV
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