Question

Question 16
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

Answer 1

(a) Incorrect, the correct symbol of cobalt is Co

(b) Incorrect, the correct symbol of carbon is C

(c) Incorrect, the correct symbol of Aluminium is Al

(d) Correct (He)

(e) Incorrect, the correct symbol of sodium is Na