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प्रश्न
State the type of element for the following:
Arsenic
विकल्प
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Metalloid
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संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
Explain the terms 'valency' and 'variable valency'.
State the type of element for the following:
Sulphur
State the type of element for the following:
Zinc
State the type of element for the following:
Bromine
State the most reactive and the least reactive metal from the following – Zn, Ag, Na, Fe, Cu, Pb.
Write the radical of the following valency:
Aluminium
What does the symbol '→' present in a chemical equation, mean?
______ of some elements are derived from Latin or Greek names of the elements.
In the same way in chemistry, each element is denoted by a ______.
