Chemistry, 09.12.2020 21:30 aliciavocals6944
How many electrons does an atom have if the mass number is 31 and the number of neutrons is 16?
Answers: 2
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Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.
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C3h8o3 - glycerol major species present when dissolved in water
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Chemistry, 22.06.2019 10:30
Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o β k + o2 (b) na + i2 β nai (c) cu(no3 )2 + naoh β cu(oh)2 + nano3 (d) kclo3 β kcl + o2 (e) ca(no3 )2 + hbr β cabr2 + hno3 (f) sn(oh)2 β sno + h2 o (g) p4 + n2 o β p4 o6 + n2 (h) fe + al2 (so4 )3 β feso4 + al (i) alcl3 + na2 co3 β al2 (co3 )3 + nacl (j) c3 h6 + o2 β co2 + h2 o
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Chemistry, 23.06.2019 00:30
On the periodic table, elements are arranged by which of the following. a. mass numbers. b. increasing atomic number. c. alphabetical order. or d. density
Answers: 1
How many electrons does an atom have if the mass number is 31 and the number of neutrons is 16?...
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