Chemistry, 08.07.2019 19:30 AeelynRamos
What happens when nitrogen fills its valence shell? a) three electrons are lost, making n+3 b) three electrons are lost, making n-3 c) three electrons are gained, making n-3 d) three electrons are gained, making n+3
Answers: 1
Chemistry, 22.06.2019 10:00
In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent
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Chemistry, 23.06.2019 03:00
You have a sample of a metal, the sample is exactly 6.02 x 1023atom, if the sample has a mass 55.85 what metal is your sample made of?
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Chemistry, 23.06.2019 05:00
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 4.20 mol fe and 6.70 mol nio(oh) react?
Answers: 3
What happens when nitrogen fills its valence shell? a) three electrons are lost, making n+3 b) thre...
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