Chemistry, 06.01.2021 18:40 swansondonovanp66got
Trey is conducting an experiment about how sunlight affects goldfish activity over a period of time
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Chemistry, 22.06.2019 04:00
Asample of aluminum foil contains 8.60 Ć 1023 atoms. what is the mass of the foil?
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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 17:30
Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".
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Chemistry, 22.06.2019 19:00
Nan elementās square on the periodic table, the number with the greatest numerical value represents the
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Trey is conducting an experiment about how sunlight affects goldfish activity over a period of time...
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