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Question
State which element exists in the highest percentage in atmosphere.
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Solution
Nitrogen (N) — 78%
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RELATED QUESTIONS
The atomic number of an element X is 13. What will be the number of electrons in its ion X3+ ?
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| Non-Metallic elements | Symbol |
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| (b) Chlorine | (2) I |
| (c) Oxygen | (3) Si |
| (d) Phosphorus | (4) C |
| (e) Hydrogen | (5) Cl |
| (f) Nitrogen | (6) P |
| (g) Iodine | (7) F |
| (h) Bromine | (8) H |
| (i) Fluorine | (9) S |
| (j) Silicon | (10) Br |
| (k) Sulphur | (11) N |
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