Chemistry, 05.05.2020 13:45 ayoismeisalex
The total number of each element is not changed during a chemical reaction
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Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh
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When the water vapor cools it condenses select a number that represents his process on the
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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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Chemistry, 22.06.2019 15:00
How is the shape of the poem βpeerβ connected to its meaning?
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The total number of each element is not changed during a chemical reaction...
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