Answer:
,
,
,
, 
Explanation:
Empirical formula of the compound is the simplest ratio of elements present in the compound.
Empirical formula of compounds of chlorine with oxygen is as follows:
Compounds in which oxidation state of Cl is +1

Compounds in which oxidation state of Cl is +3

Compounds in which oxidation state of Cl is +4

Compounds in which oxidation state of Cl is +6

Compounds in which oxidation state of Cl is +7

While the other pairs, sodium and potassium are the metals, nitrogen and iodine, chlorine and bromine, helium and oxygen are the non-metals. They do not form ionic bond. Hence, the correct pairs of elements likely to form ionic compounds are, potassium and sulfur, magnesium and chlorine
Answer:
= 74.4 grams / mole. Ernest Z. The reaction will produce 15.3 g of KCl
Explanation:
Mass plus atomic and number
Rock paper scissor and that is on Albert Einstein , he made that up because he is so freaking smart so there you go have a wonderful day