Chemistry, 19.08.2019 03:20 holderpatriciaoy8h7j
When a calcium atom forms an ion, it loses two electrons. what is the electrical charge of the calcium ion?
a.
-2
b.
-1
c.
+1
d.
+2
Answers: 2
Chemistry, 22.06.2019 14:40, neonbluefaith
Which statement best describes the function of enzymes?
Answers: 1
Chemistry, 22.06.2019 16:30, sbush1412
Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u. s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?
Answers: 2
When a calcium atom forms an ion, it loses two electrons. what is the electrical charge of the calci...
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