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प्रश्न
Give the symbol of the following element:
Oxygen
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उत्तर
| Name | Symbol |
| Oxygen | O |
संबंधित प्रश्न
Define: Elements-
Give two symbols which have been derived from the "English names" of the elements.
What do the following symbol stand for?
2H
Give the symbol and the number of atoms of the following elements present in water.
Match the formulas of the following of acids with their correct names:
Acids – (a) HCI (b) HNO3 (c) H2SO4 (d) H2CO3
Names – (1) Carbonic acid (2) Sulphuric acid (3) Hydrochloric acid (4) Nitric acid
Elements are mainly classified into metals and non-metals. State six properties of metals which differ from non-metals.
Give the symbol of the following element:
Fluorine
Give the symbol of the following element:
Iodine
Write the radical of the following valency:
Sulphur [Sulphide]
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).
Chloride
