Because eit is a group 1 element . Eg potassium , sodium etc. By Prit Mhala
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The valency of silver is +1 because it readily loses one electron to achieve a stable electron configuration (similar to a noble gas configuration). This makes it more stable and reactive in forming compounds with elements that have a higher electronegativity.
The valency of silver is typically +1. However, silver can also exhibit a valency of +2 in certain compounds.
To calculate the valency of silver nitrate (AgNO3), you would need to consider the valencies of the individual elements. The valency of silver (Ag) is +1, while the valency of nitrate ion (NO3) is -1. Since there is only one Ag ion in AgNO3, the overall valency of silver nitrate is +1 (1x+1 + 1x-1 = 0).
The valency of lithium is 1. It has one valence electron in its outer shell.
The valency of bisulphate is -1.
Symbol for sodium cation is 'Na(+)' Its valency is '1'.