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Sc 8th Objective 3

Chemistry

QuestionAnswer
is anything that has mass and takes up space. Matter
is the ability to do work or cause change Energy
is one or more of ONE type of atom bonded together element
occurs when 2 or more elements are chemically bonded together in a set ratio. compound
Two or more substances that are mixed together but not chemically combined. mixture
can be observed without changing the substance into something else physical property
is observed when a substance interacts with another substance chemical property
54) A change that alters the form or appearance of a material but does not make the material into another substance. physical change
A change in matter that produces new substance is called a_______ or a chemical reaction. chemical change
is a measurement of how much matter an object contains and can be measured with a triple beam balance Mass
The amount of space matter occupies is called________ and it can be measured best using a graduated cylinder volume
is a physical property that relates the mass and volume of an object or material Density
is the smallest particle of an element atom
The force that holds two or more atoms together. chemical bond
There are three__________ ________ in an atom; protons, neutrons, and electrons subatomic particles
of an element is the number of protons located in the nucleus of an atom atomic number
atomic mass of an element is the total number of ________ and neutrons in the nucleus of an atom. protons
is a small, positively charged particle found in the nucleus of an atom proton
is a high-energy, negatively charged particle that moves in the space outside of the nucleus of an atom electron
is a small, uncharged particle found in the nucleus of an atom. neutron
Most of an atom’s mass is found in its nucleus, while most of an atom’s volume is found out of the _______ nucleus
Horizontal rows on the periodic table periods
are the substances that enter into a chemical equation reactants
are the substances formed during a chemical equation. products
The transfer of heat through direct physical contact. conduction
is the direct transfer of energy by electromagnetic waves and does not require direct physical contact. Radiation
The transfer of heat by movement of currents within a liquid or gas. convection
Vertical columns on the periodic table groups
Created by: HBend on 2011-02-16



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