Chemistry, 21.10.2019 22:30, powella033
Donald is making a model of a nitrogen atom. the box for nitrogen in the periodic table is shown. to represent a neutral atom, which of these must donald include in his model?
a) exactly 4 electrons
b) exactly 7 electrons
c) exactly 10 electrons
d) exactly 14 electrons
Answers: 1
Chemistry, 22.06.2019 12:30, quantamagic
Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)
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Chemistry, 22.06.2019 20:30, huangjianhe135
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Chemistry, 22.06.2019 23:00, tovarclaudia055
What does a numerical subscript following an element in a chemical formula mean?
Answers: 1
Donald is making a model of a nitrogen atom. the box for nitrogen in the periodic table is shown. to...
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