Chemistry, 01.12.2020 01:50 yasiroarafat12
El vidrio es un mineral?? es para una tarea respondan rapido pls
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Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.
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Chemistry, 22.06.2019 05:00
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 06:30
The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what
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Chemistry, 22.06.2019 19:00
Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?
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El vidrio es un mineral?? es para una tarea respondan rapido pls...
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