Question

define atomicty in chapter atoms and molecules ​

Answer 1

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The number of atoms present in one molecule of an element is called its atomicity. Example: Noble gases (helium, neon, argon, krypton, etc.) have one atom each in their molecules such as He, Ne, Ar and Kr. So, the atomicity of noble gases is 1.

Answer 2

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Answer⤵️

ᴀᴛᴏᴍɪᴄɪᴛʏ ɪꜱ ᴅᴇꜰɪɴᴇᴅ ᴀꜱ ᴛʜᴇ ᴛᴏᴛᴀʟ ɴᴜᴍʙᴇʀ ᴏꜰ ᴀᴛᴏᴍꜱ ᴛʜᴀᴛ ᴄᴏɴꜱᴛɪᴛᴜᴛᴇ ᴀ ᴍᴏʟᴇᴄᴜʟᴇ. ꜰᴏʀ ᴇxᴀᴍᴘʟᴇ, ᴇᴀᴄʜ ᴍᴏʟᴇᴄᴜʟᴇ ᴏꜰ ᴏxʏɢᴇɴ ɪꜱ ᴄᴏᴍᴘᴏꜱᴇᴅ ᴏꜰ ᴛᴡᴏ ᴏxʏɢᴇɴ ᴀᴛᴏᴍꜱ. ꜱᴏ ᴀᴛᴏᴍɪᴄɪᴛʏ ᴏꜰ ᴏxʏɢᴇɴ ɪꜱ 2.ɪɴ ᴏʟᴅᴇʀ ᴄᴏɴᴛᴇxᴛꜱ, ᴛʜᴇ ᴛᴇʀᴍ ᴀᴛᴏᴍɪᴄɪᴛʏ ɪꜱ ꜱᴏᴍᴇᴛɪᴍᴇꜱ ᴜꜱᴇᴅ ɪɴ ᴛʜᴇ ꜱᴀᴍᴇ ꜱᴇɴꜱᴇ ᴀꜱ ᴠᴀʟᴇɴᴄʏ...

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