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 Sodium So
ScienceClass 9CBSEAnswered 27 Mar 2026
Answer
- Soln:
Cobalt CO is wrong, correct symbol is Co Carbon c is wrong, correct symbol is C Alluminium AL is wrong, correct symbol is Al Helium He is the right symbol
Sodium So is wrong, correct symbol is Na
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