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chemistry

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
atom   the smallest part of an element which still has the properties of that element  
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parts of an atom   protons, electrons, neutrons  
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periodic table   Shows the elements in order of increasing atomic numbers  
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groups   vertical columns of elements  
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periods   horizontal rows of elements in the periodic table  
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ionic bond   the force of attraction between oppositely charged ions in a compound  
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ion   a charged atom or group of atoms  
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covalent bonding   this occurs when atoms share electrons  
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shell   an orbit for electrons  
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compound   2 or more elements combined  
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molecule   2 or more atoms combined  
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isotopes   atoms of same elements which have different number of neutrons  
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alkali metals   element which react with water  
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unstable atoms   atoms with just one out of x electrons its is outer shell  
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stable atoms   atoms with a full outer shell  
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atomic number   number of protons and electrons of that atom  
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Created by: Tomasz
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