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Periodic Table

TermDefinition
Matter everything that has mass and takes up space.
Mass The material matter is made of
Volume how much room matter takes up
Density ratio of the mass of a substance to its volume
atom the smallest unit of a chemical element having the properties of that element
electron elementary particle carrying a unit charge of negative electricity
proton elementary particle having a single positive electrical charge
neutron uncharged elementary particle of slightly greater mass than the proton
periodic table large grid that classifies all the elements by their chemical and physical propeties
rows/periods rows that tell you how many energy levels each element has
groups/columns the number of electrons in the outer shell
valence electrons the electrons that move on the outer shell of an atom
atomic number the number of protons inside the nucleus
atomic mass the measurement of mass for an element
chemical property the ability of substances to combine and form new compounds
physical property the state of matter and appearance of a substance
ionic bond when elements lose or gain an electron suring bonding
covalent bond elements share electrons during bonding
chemical change elements bond together through the attractive force of the electrons
compound two or more elements combine in a specific ratio
mixture when two or more substances combine but do not make a new substance
nobel gases all the elements in group number eighteen
halogen all the elements in group number seventeen
alkali all the elements in group number one
metalloids elements found along the step like line between metals and non-metals of the periodic table.
Created by: spencer2504
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