Which of the following symbols of elements are incorrect? Give their correct symbols
(a) Cobalt CO
(b) Carbon c
(c) Aluminium AL
(d) Helium He
(e) Sodium So

AcademicChemistryNCERTClass 9

(a) Cobalt CO is incorrect.
The correct symbol is Co.

(b) Carbon c is incorrect.
The correct symbol is C.

(c) Aluminium AL is incorrect.
The correct symbol is Al.

(d) Helium (He) is correct.

(e) Sodium So is incorrect.
The correct symbol is Na.
raja
Updated on 10-Oct-2022 13:32:55

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