Question

Helium and reactive gas neon is a gas of extremely low reactivity what if anything do their atoms have in common

Answer 1

Answer:

Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms have in common ? 1) It belongs to the last group with all the gas whose last shell are common and they are unreactive unlike to other elements which reacts to complete their last shell with total 8 electrons .

Explanation:

Answer 2

ɪᴛ ʙᴇʟᴏɴɢs ᴛᴏ ᴛʜᴇ ʟᴀsᴛ ɢʀᴏᴜᴘ ᴡɪᴛʜ ᴀʟʟ ᴛʜᴇ ɢᴀs ᴡʜᴏsᴇ ʟᴀsᴛ sʜᴇʟʟ ᴀʀᴇ ᴄᴏᴍᴍᴏɴ ᴀɴᴅ ᴛʜᴇʏ ᴀʀᴇ ᴜɴʀᴇᴀᴄᴛɪᴠᴇ ᴜɴʟɪᴋᴇ ᴛᴏ ᴏᴛʜᴇʀ ᴇʟᴇᴍᴇɴᴛs ᴡʜɪᴄʜ ʀᴇᴀᴄᴛs ᴛᴏ ᴄᴏᴍᴘʟᴇᴛᴇ ᴛʜᴇʀᴇ ʟᴀsᴛ sʜᴇʟʟ ᴡɪᴛʜ ᴛᴏᴛᴀʟ 8 ᴇʟᴇᴄᴛʀᴏɴs . ʜᴇʟɪᴜᴍ ᴀɴᴅ ɴᴇᴏɴ ʜᴀᴠᴇ ɪɴ ᴄᴏᴍᴍᴏɴ ᴛʜᴀᴛ ᴛʜᴇʏ ʜᴀᴠᴇ ᴛʜᴇʀᴇ sʜᴇʟʟ ᴄᴏᴍᴘʟᴇᴛᴇ ᴀɴᴅ ᴛʜᴇʏ ʀᴇᴀᴄᴛs ᴠᴇʀʏ ʟᴇss ᴏʀ ᴛʜᴇʏ ᴅᴏɴ'ᴛ.