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ES Chapter 8 Leach

Earth Science Chapter 8 Terms Leach

QuestionAnswer
alloy solid solution of two or more metals
atom smallest unit of an element
atomic number number of protons in the nucleus of an atom
chemical bond force that holds together the atoms that make up a compound
chemical formula symbols indicating the elements a compound contains and the relative number of each element
chemical property characteristic that describes how a substance interacts with other substances to produce different kinds of matter
compound a substance that results when the atoms of two or more elements are chemically combined
covalent bond bond based on the attraction between atoms that share electrons
covalent compound compound formed from atoms that share electrons
diatomic consisting of two atoms
electron subatomic particle with a negative electrical charge
electron cloud region of space around the nucleus of an atom in which electrons may be found
energy level arrangement of electrons within the electron cloud of an atom
gas physical form of matter that does not have a definite volume or shape
ion atom or group of atoms that carries an electrical charge
ionic bond bond in which electrons are transferred form one atom to another
ionic compound compound formed through the transfer of electrons
isotope atom of an element that has the same atomic number but different atomic mass than another atom of that element
liquid physical form of matter with a definite volume but no definite shape
mass number sum of the numbers of protons and neutrons in an atom
matter substance that takes up space and has mass
mixture material that contains two or more substances that are not chemically combined
molecule smallest complete unit of a compound
neutron subatomic particle with no electrical charge
nucleus region in the center of an atom that contains the protons and neutrons
periodic table system for classifying the elements
physical property chatacteristic that is observable in a substance without changing the chemical composition of the substance
proton subatomic particle with a positive electrical charge
smog air pollution formed from a mixture of dust and chemicals
solid physical form of matter with a definite shape and volume
solution mixture in which one substance is uniformly dispersed in another substance
Created by: CoachLeach
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