Question

What is Atomicity and Valency?
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Answer 1

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• The number of atoms present in a molecule of an element is called Atomicity.

• A measure of the combining capacity of an element or a group is called Valency.

Answer 2

ᴀᴛᴏᴍɪᴄɪᴛʏ:- ᴛʜᴇ ᴛᴏᴛᴀʟ ɴᴜᴍʙᴇʀ ᴏғ ᴀᴛᴏᴍs ᴘʀᴇsᴇɴᴛ ɪɴ ᴀ ᴍᴏʟᴇᴄᴜʟᴇ ᴏғ ᴀɴ ᴇʟᴇᴍᴇɴᴛ, ᴄᴏᴍᴘᴏᴜɴᴅ ᴏʀ ᴍᴀᴛᴛᴇʀ ɪs ᴋɴᴏᴡɴ ᴀs ᴛʜᴇ ᴀᴛᴏᴍɪᴄɪᴛʏ.

ᴠᴀʟᴇɴᴄʏ :- ᴠᴀʟᴇɴᴄʏ (sᴏᴍᴇᴛɪᴍᴇs ᴄᴀʟʟᴇᴅ ᴠᴀʟᴇɴᴄᴇ) ɪs ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏғ ᴄʜᴇᴍɪᴄᴀʟ ʙᴏɴᴅs ᴛʜᴇ ᴀᴛᴏᴍs ᴏғ ᴀ ᴄᴇʀᴛᴀɪɴ ᴇʟᴇᴍᴇɴᴛ ᴄᴀɴ ғᴏʀᴍ. ɪᴛ ɪs ᴛʜᴇ ᴍᴇᴀsᴜʀᴇ ᴏғ ᴛʜᴇ ᴄᴏᴍʙɪɴɪɴɢ ᴄᴀᴘᴀᴄɪᴛʏ ᴏғ ᴀᴛᴏᴍs ᴏʀ ᴍᴏʟᴇᴄᴜʟᴇs.