Question

what is a valency ??​

Answer 1

ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏғ ʜʏᴅʀᴏɢᴇɴ ᴀᴛᴏᴍs ᴡʜɪᴄʜ ᴄᴏᴍʙɪɴᴇ ᴅɪʀᴇᴄᴛʟʏ ᴏʀ ɪɴᴅɪʀᴇᴄᴛʟʏ ᴡɪᴛʜ ᴏɴᴇ ᴀᴛᴏᴍ ᴏғ ᴀɴ ᴇʟᴇᴍᴇɴᴛ, sᴏ ᴀs ᴛᴏ ғᴏʀᴍ ᴀ ᴄᴏᴍᴘᴏᴜɴᴅ ɪs ᴄᴀʟʟᴇᴅ ᴠᴀʟᴇɴᴄʏ.

$\huge{\purple{\underline{\orange{\mathscr{CoттoɴCαɴdy࿐}}}}}$

Answer 2

Answer:

a measurement of the power of an atom to combine with others, by the number of hydrogen atoms it can combine with or take the place of.

Explanation:

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