Vocab Cards
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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| 1 Atom | Smallest particle into which an element can be divided and still
have properties of that element
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| 2 element | substances that are building blocks of all matter
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| 3 nucleus | substances that are building blocks of all matter
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| 4 electron shell | region around the nucleus where an electron may be found
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| 5 proton | positively charged particle
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| 6 neutron | particle with a neutral charge
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| 7 electron | negatively charged particle found in the electron cloud
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| 8 Atomic number | number of protons in the nucleus of one atom
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| 9 atomic mass | average mass of one atom
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| 10 valence electron | elements with a shiny surface
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| 11 Metal | elements with a shiny surface
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| 12 Nonmetal | elements solid usually gas or brittle solid at room temp.
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| 13 metalloid | elements that have characteristics of a metal and non meta
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| 14 group | a family of elements in the periodic table that have similar
physical/chemical properties
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| 15 period | a row in the periodic table arranged by atomic number
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| 16 element | substance that cant be broken down into simpler particles
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| 17 transition elements | elements in groups 3-12 in the periodic table
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| 18 representative elements | elements in groups 1 and 2 and 13-18 in the p.t.
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| 19 ion | atom or molecule that has an overall electric charge
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| 20 isotope | atoms of the same element that have different number of
nuetrons
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