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प्रश्न
State the type of element for the following:
Lead
पर्याय
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Metal
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संबंधित प्रश्न
Out of ozone, phosphorus, sulphur and krypton, the elements having the lowest and highest atomicities are respectively :
Give two examples of the following:
Liquid + Liquid mixture:
An atom of an element is denoted by a “symbol” Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Copper by ‘Cu’
Give the symbol of the following element:
Sulphur [sulphide]
Give the symbol of the following element:
Sodium
Write the radical of the following valency:
Zinc
Give the formula of the following acid:
Sulphuric
Give the formula of the following gas:
Nitrous oxide
State the valency of the following metallic element and write symbol with the valency
Magnesium
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Tin
write symbol with the variable valency
