Chemistry, 02.10.2019 21:10 alishastevens16
When an atom gains a valence electron, it becomes a(n) ion. a, positive
b, negative
c, neutral
d, polyatomic
Answers: 1
Chemistry, 21.06.2019 13:50
How do the energy differences between the higher energy levels of an atom compare with the energy difference between the lower energy level of the atom
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Chemistry, 21.06.2019 23:10
Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.
Answers: 1
Chemistry, 22.06.2019 11:00
When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.
Answers: 1
When an atom gains a valence electron, it becomes a(n) ion. a, positive
b, negative
c,...
b, negative
c,...
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