Question

What do you understand by chemical formula of an element ?​

Answer 1

ᴀ ᴄʜᴇᴍɪᴄᴀʟ ғᴏʀᴍᴜʟᴀ ɪs ᴀ ɴᴏᴛᴀᴛɪᴏɴ ᴜsᴇᴅ ʙʏ sᴄɪᴇɴᴛɪsᴛs ᴛᴏ sʜᴏᴡ ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴀɴᴅ ᴛʏᴘᴇ ᴏғ ᴀᴛᴏᴍs ᴘʀᴇsᴇɴᴛ ɪɴ ᴀ ᴍᴏʟᴇᴄᴜʟᴇ, ᴜsɪɴɢ ᴛʜᴇ ᴀᴛᴏᴍɪᴄ sʏᴍʙᴏʟs ᴀɴᴅ ɴᴜᴍᴇʀɪᴄᴀʟ sᴜʙsᴄʀɪᴘᴛs. ... ᴀ ᴄʜᴇᴍɪᴄᴀʟ ғᴏʀᴍᴜʟᴀ ᴅᴇsᴄʀɪʙᴇs ᴀ sᴜʙsᴛᴀɴᴄᴇ, ᴅᴏᴡɴ ᴛᴏ ᴛʜᴇ ᴇxᴀᴄᴛ ᴀᴛᴏᴍs ᴡʜɪᴄʜ ᴍᴀᴋᴇ ɪᴛ ᴜᴘ.

Answer 2

${\huge{\underline{\underline{\sf{\purple{Answer:-}}}}}}$

A chemical formula is a notation used by scientists to show the number and type of atoms present in a molecule, using the atomic symbols and numerical subscripts. ... A chemical formula describes a substance, down to the exact atoms which make it up.