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प्रश्न
Match the non-metallic elements – with their correct symbols. Non-metallic elements are:
| Non-Metallic elements | Symbol |
| (a) Carbon | (1) O |
| (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 |
उत्तर
| Non-Metallic elements | Symbol |
| (a) Carbon | C |
| (b) Chlorine | Cl |
| (c) Oxygen | O |
| (d) Phosphorus | P |
| (e) Hydrogen | H |
| (f) Nitrogen | N |
| (g) Iodine | I |
| (h) Bromine | Br |
| (i) Fluorine | F |
| (j) Silicon | Si |
| (k) Sulphur | S |
संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
Give the symbol and the number of atoms of the following elements present in water.
Give the symbol of the following element:
Fluorine
State the type of element for the following:
Radon
Give the symbol of the following element:
Magnesium
State the valency of the following metallic element and write symbol with the valency
Calcium
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Carbonate
Write the symbols for the following elements and classify them as solid, liquid and gas. Aluminum, Carbon, Chlorine, Mercury, Hydrogen and Helium
How many elements are known at present?
Which letter is never used in any element symbol?
