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प्रश्न
State the type of element for the following:
Mercury
विकल्प
Metal
Non-metal
Metalloid
Noble gas
उत्तर
Metal
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संबंधित प्रश्न
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
Give the symbol of the following element:
Chlorine [chloride]
State the type of element for the following:
Boron
State the type of element for the following:
Calcium
Write the radical of the following valency:
Hydroxide
Write the chemical formula of the following:
calcium carbonate
State a reason why the symbol of calcium is ‘Ca’ and of copper is ‘Cu’
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).
Sulphate
What does the symbol '(aq.)' present in a chemical equation, mean?
Write the symbols for the following elements and classify them as solid, liquid and gas. Aluminum, Carbon, Chlorine, Mercury, Hydrogen and Helium
