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प्रश्न
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).
Nitride
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उत्तर
| Name | Symbol | Ion | Valency |
| Nitride | \[\ce{N}\] | \[\ce{N^{3-}}\] | −3 |
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संबंधित प्रश्न
Write the symbols of helium, silver, krypton, antimony, barium.
Name the element used as a standard for atomic mass scale.
Which particular atom of the above element is used for this purpose ?
Give a reason why elements are tabulated in a table called the ‘Periodic table’.
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
K1+ Cl1-
Give the symbol of the following element:
Copper
Write the radical of the following valency:
magnesium
Write the radical of the following valency:
Hydroxide
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Copper
write symbol with the variable valency
How many elements are known at present?
