number 16? Explain your answer.
10. The electronic configuration of two elements X and Y are given below:
Зр
8р
871
Х
cy Y
where P
- proton, n = neutron, e = electron. When these two elements combine together to form a
compound, give the mass (in grams) of one mole of this compound,
Answers
Explanation:
The electronic configuration of two elements X and Y are given below:
where p = proton, n = neutron, e = electron.
When these two elements combine together to form a compound, give the mass (in grams) of one mole of this compound.
1102106
Answer:
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Asked on December 26, 2019 by
Nayan Jinka
The electronic configuration of two elements X and Y are given below:
where p = proton, n = neutron, e = electron.
When these two elements combine together to form a compound, give the mass (in grams) of one mole of this compound.
1102106
MEDIUM
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ANSWER
X=Li (lithium) and Y=O (oxygen)
∵ Number of protons = Atomic number
Lithium and oxygen combine to form Li
2
O (lithium oxide).
Mass of 1 mole of Li
2
O = ( 2×Molar mass of lithium )+ (Molar mass of oxygen )
= 2×(7)+16=30g
A