Predict the formula of a binary compound formed by- a) Aluminium and Chlorine.
b) Magnesium and Sulphur.
Answers
Answer:
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Answer:
(i) Alkali metal lithium (with 1 valence electron) combine with group 16 element oxygen (having valence of 2) to form Li
2
O.
(ii) Alkaline earth metal magnesium (with 2 valence electrons) combines with group 5 element nitrogen (having valence 3) to form Mg
3
N
2
.
(iii) Group 13 element aluminum (with 3 valence electrons) combines with group 17 element iodine (a halogen with valence 1) to form AlI
3
.
(iv) Group 14 element silicon (with a valence of 4) combines with group 16 element oxygen ( having valence 2) to form SiO
2
.
(v) Group 15 element phosphorous (with valence 3 or 5) combines with group 17 element fluorine (a halogen with valence 1) to form PF
3
or PF
5
.
(vi) Element 71 with 3 electrons in the valence shell (4f
14
5d
1
6s
2
) combines with group 17 element fluorine (a halogen with valence 1) to form EF
3
where E is the symbol of the element.
Explanation:
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