Question

difference betwen valence electron and covalency of element​

Answer 1

$\huge\fcolorbox{black}{pink}{Answer:-}$

☞ ᴠᴀʟᴇɴᴄᴇ ᴇʟᴇᴄᴛʀᴏɴ ɪs sɪᴍᴘʟʏ ᴛʜᴇ ᴛᴏᴛᴀʟ ɴᴜᴍʙᴇʀ ᴏғ ᴇʟᴇᴄᴛʀᴏɴs ᴘʀᴇsᴇɴᴛ ɪɴ ᴏᴜᴛᴇʀᴍᴏsᴛ sʜᴇʟʟ ᴏғ ᴀɴ ᴀᴛᴏᴍ. ᴠᴀʟᴇɴᴄʏ ɪs ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏғ ᴇʟᴇᴄᴛʀᴏɴs ᴀɴ ᴀᴛᴏᴍ ʟᴏᴏsᴇs,ɢᴀɪɴs ᴏʀ sʜᴀʀᴇs ᴡɪᴛʜ ᴏᴛʜᴇʀ ᴀᴛᴏᴍs ɪɴ ᴏʀᴅᴇʀ ᴛᴏ ɢᴇᴛ ᴀ sᴛᴀʙʟᴇ ᴄᴏɴғɪɢᴜʀᴀᴛɪᴏɴ. ... ɴᴜᴍʙᴇʀ ᴏғ ᴠᴀʟᴇɴᴄᴇ ᴇʟᴇᴄᴛʀᴏɴs ɪɴ ᴄᴀʀʙᴏɴ ɪs ᴀʟsᴏ ғᴏᴜʀ ᴀs ɪᴛ's ᴏᴜᴛᴇʀᴍᴏsᴛ sʜᴇʟʟ ᴄᴏɴᴛᴀɪɴs 4 ᴇʟᴇᴄᴛʀᴏɴs.

☞ᴄᴏᴠᴀʟᴇɴᴄʏ ɪs ᴛʜᴇ ᴘʀᴏᴘᴇʀᴛʏ ᴏғ ᴀᴛᴏᴍs ᴏғ ᴅɪғғᴇʀᴇɴᴛ ᴇʟᴇᴍᴇɴᴛs ᴛᴏ ғᴏʀᴍ ʙᴏɴᴅs ᴡɪᴛʜ ᴀᴛᴏᴍs ᴏғ ᴛʜᴇ sᴀᴍᴇ ᴇʟᴇᴍᴇɴᴛ ᴏʀ ᴏᴛʜᴇʀ ᴇʟᴇᴍᴇɴᴛs.

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