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प्रश्न
State the type of element for the following:
Oxygen
विकल्प
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Non-metal
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संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
The anion of an element has ______.
Fill in the blank:
Symbol represents _____ atom(s) of an element.
Give the symbol of the following element:
Chlorine [chloride]
State the type of element for the following:
Sulphur
State the type of element for the following:
Iodine
State what is meant by the term ‘activity series of metals’.
State the valency of the following metallic element and write symbol with the valency
Zinc
The first letter of a symbol is always written as a ______ letter and the second letter as a ______ letter.
How many elements are known at present?
