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प्रश्न
State the type of element for the following:
Sulphur
विकल्प
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Non-metal
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संबंधित प्रश्न
Define: Compounds
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
Define atomic mass unit. What is its symbol ?
Match the symbols of metallic elements – with their correct combining power or capacity.
(a) K
(b) Zn
(c) Al
(d) Na
(e) Ca
Combining power or capacity – A : 3 ; B : 2 ; C : 1. (positive valencies)
Give the symbol of the following element:
Neon
State the type of element for the following:
Neon
State the type of element for the following:
Chlorine
State the type of element for the following:
Aluminium
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Iron
write symbol with the variable valency
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).
Sulphide
