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प्रश्न
State the type of element for the following:
Sodium
पर्याय
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Metal
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संबंधित प्रश्न
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Magnetic separation
State whether the following statement is true or false:
The symbol of element cobalt is CO.
What do the following symbol stand for?
H2
What is meant by atomicity? Name the diatomic element.
Explain the terms 'valency' and 'variable valency'.
Give the symbol of the following element:
Copper
Write the radical of the following valency:
Sulphite
Write the radical of the following valency:
Sulphur [Sulphide]
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Mercury
write symbol with the variable valency
______ of some elements are derived from Latin or Greek names of the elements.
