what are non metals?
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In chemistry, a nonmetal is a chemical element that mostly lacks the characteristics of a metal. Physically, a nonmetal tends to have a relatively low melting point, boiling point, and density. A nonmetal is typically brittle when solid and usually has poor thermal conductivity and electrical conductivity
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sᴜʙsᴛᴀɴᴄᴇs ᴡʜɪᴄʜ ᴀʀᴇ sᴏғᴛ ᴀɴᴅ ᴅᴜʟʟ, ɪ.ᴇ., ɴᴏɴ-ʟᴜsᴛʀᴏᴜs, ɴᴏɴ-sᴏɴᴏʀᴏᴜs, ɴᴏɴ-ᴅᴜᴄᴛɪʟᴇ, ɴᴏɴ-ᴍᴀʟʟᴇᴀʙʟᴇ ᴀɴᴅ ᴘᴏᴏʀ ᴄᴏɴᴅᴜᴄᴛᴏʀ ᴏғ ʜᴇᴀᴛ ᴀɴᴅ ᴇʟᴇᴄᴛʀɪᴄɪᴛʏ ᴀʀᴇ ᴄᴀʟʟᴇᴅ ɴᴏɴ-ᴍᴇᴛᴀʟs.
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