Question

list of all metals having valency 1

Answer 1

$group \: 1elements \\ havng \: valency \: 1 \\ alkali \: metals \: \\ lithium \\sodium \\ potassium \\ rubidium \\ caesium \\ francium \\ hope \: it \: helps \: mark \: as \: \\ brainliest$

Answer 2

sodium
silver
potassium
lithium
copper (1 or 2)
etc