Composition of Matter
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Matter | anything that takes up space and has mass
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| Mass | the quantity of matter an object has
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| Element | substances that cant be broken down chemically into simpler kinds of matter
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| Atom | the simplest part of an element that retains all of the properties of that element
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| nucleus | the central region that makes up the bulk of the mass of the atom and consists two kinds of subatomic particles
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| Proton | a subatomic particle that has a positive charge and that is located in the nucleus of an atom; teh number of protons in the nucleus is the atomic number, which determines the identity of the element
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| Neutron | a subatomic particle that has no charge and that is located in teh nucleus of an atom
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| atomic number | the number of protons in an atoms nucleus
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| mass number | the sum of the numbers protons and neutrons in the nucleus of an atom
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| electron | a subatomic particle that has a negative charge
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| orbital | a region in an atom wher there is a high probability of finding electrons
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| isotopes | atoms of teh same element that have a different number of neutrons
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| Compounds | a substance made up of atoms of two or more differnt elements joined by chemical bonds
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| Chemical Bonds | the attractive force that holds atoms or ions together
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| Covalent Bonds | a bond formed by when atoms share one or more pairs of electrons
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| molecule | a group of atoms that are held together by chemical forces; a molecule is teh smallest unit of matter that can exist by itself and retain all of a substances chemical properties
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| ion | an atom, radical, or molecule that has gained or lost one or more electrons and has a negative or positive reaction
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| ionic bond | the attractive force between oppositely charged ions, which form when electrons are transferred from one atom to another
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Created by:
leesm15
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