Answer: The correct answer would be : True
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Answer:
Liquid to solid liquid to gas
Explanation:
Boiling a liquid result in a gas
Answer: option C. Copper (II) chloride
Explanation:
To name CuCl2, we need to know the oxidation state of Cu in the compound as chlorine always have oxidation on —1 in all its compound. The oxidation state of Cu can be calculated as follows:
Cu + 2Cl = 0 (since the compound has no charge)
Cl = —1
Cu + 2(—1) = 0
Cu —2 = 0
Collect like terms
Cu = 0 +2
Cu = +2
Therefore, the oxidation state of Cu in CuCl2 is +2.
The name of the compound will be copper(ii) chloride, since cupper has oxidation state +2 in the compound.
A calcium atom has 20 protons!
There you go! I really hope this helped, if there’s anything just let me know! ☻
Answer:
the first statement
Explanation:
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