Give the fotmula of the compound formed by the following sets of elements.
(a) Calcium and fluorine
(b) Nitrogen and hydrogen
(c) Nitrogen and oxygen
(d) Sulphur and oxygen
(e) Carbon and oxygen
(f ) Carbon and chlorine
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Answer:
Calcium and fluorine
Symbol Ca F
Charges +2 1−
Formula CaF
2
2. Hydrogen and sulphur
Symbol H S
Charges 1+ 2−
Formula H
2
S
3. Nitrogen and hydrogen
Symbol N H
Charges 3− 1+
Formula NH
3
4. Carbon and chlorine
Symbol C Cl
Charges 4+ 1−
Formula CCl
4
5. Sodium and oxygen
Symbol Na O
Charges 1+ 2−
Formula Na
2
O
6. Carbon and oxygen.
Symbol C O
Charges 4+ 2−
C
2
O
4
i. e.
Formula CO
2
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Answerinoneword:
Explanation:
Give the fotmula of the compound formed by the following sets of elements.
(a) Calcium and fluorine
(b) Nitrogen and hydrogen
(c) Nitrogen and oxygen
(d) Sulphur and oxygen
(e) Carbon and oxygen
(f ) Carbon and chlorine
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