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प्रश्न
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Lead
write symbol with the variable valency
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उत्तर
Lead has variable valency 2 and 4
| \[\ce{Pb^{2+}}\] | \[\ce{Pb^{4+}}\] |
| Plumbous | Plumbic |
OR
| \[\ce{Pb[II]}\] | \[\ce{Pb[IV]}\] |
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संबंधित प्रश्न
State whether the following statement is true or false:
The symbol of element cobalt is CO.
The atoms of which of the following pair of elements are most likely to exist in free state ?
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Na1+ Cl1-
Elements are mainly classified into metals and non-metals. State six properties of metals which differ from non-metals.
Give the symbol of the following element:
Arsenic
Give the symbol of the following element:
Antimony
State the type of element for the following:
Platinum
State the valency of the following metallic element and write symbol with the valency
Sodium
Define Alchemy.
