what is the atomic number argon
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ᴛʜᴇ ᴀᴛᴏᴍɪᴄ ɴᴜᴍʙᴇʀ ᴏғ ᴀʀɢᴏɴ ɪs 18
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the atomic number of argon is 18
hope it helps you:)
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