1)mention the number of protons electrons and neutrons
2)give the symbol and charge of the iron calcium will form
3)mention which period and group for calcium belongs
4)mention the formula of calcium chloride and Calcium phosphite
please answer the questions
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Answer:
1.p=20
e=20
n=20
2.question incomplete
3.period=4
group=2
4. CaCl2
CaPo4
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