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


(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.

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Updated on: 10-Oct-2022

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