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प्रश्न
Fill in the blank:
Symbol represents _____ atom(s) of an element.
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उत्तर
Symbol represents gram atom(s) of an element.
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संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
Give two examples of the following :
Solid + Solid mixture
Why is the symbol S for sulphur, but Na for sodium and Si for silicon?
Give the symbol and the number of atoms of the following elements present in water.
Write the radical of the following valency:
magnesium
Write the radical of the following valency:
Chlorine [Chloride]
Write the radical of the following valency:
Bromine [Bromide]
Give the formula of the following gas:
Nitrous oxide
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
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt and O; the element which forms a polyatomic molecule is ________ and which is liquid at room temperature is ________.
