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Sally and Juan's trial and error airplane described as
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Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from
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1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
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What are the similarities of physical and chemical change ?
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Chemistry, 22.06.2019 11:40, jerrysandoval22
Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both
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Sally and Juan's trial and error airplane described as...
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