Nonmetal

7 elements

Elements that lack metallic properties. They are generally poor conductors of heat and electricity, and tend to gain electrons in chemical reactions. Nonmetals include essential elements like carbon, nitrogen, and oxygen.

1 Gas H Hydrogen 1.008 u

MP: -259.2 °C BP: -252.9 °C

6 Solid C Carbon 12.011 u

MP: 3549.8 °C BP: 3824.8 °C

7 Gas N Nitrogen 14.007 u

MP: -210.0 °C BP: -195.8 °C

8 Gas O Oxygen 15.999 u

MP: -218.8 °C BP: -183.0 °C

15 Solid P Phosphorus 30.974 u

MP: 44.2 °C BP: 280.6 °C

16 Solid S Sulfur 32.06 u

MP: 115.2 °C BP: 444.6 °C

34 Solid Se Selenium 78.971 u

MP: 220.9 °C BP: 684.9 °C

Comparison Table

#	Symbol	Name	Mass (u)	Melting Pt	Boiling Pt	Density	Phase
1	H	Hydrogen	1.008	-259.2 °C	-252.9 °C	0.00008988	Gas
6	C	Carbon	12.011	3549.8 °C	3824.8 °C	2.267	Solid
7	N	Nitrogen	14.007	-210.0 °C	-195.8 °C	0.0012506	Gas
8	O	Oxygen	15.999	-218.8 °C	-183.0 °C	0.001429	Gas
15	P	Phosphorus	30.974	44.2 °C	280.6 °C	1.82	Solid
16	S	Sulfur	32.06	115.2 °C	444.6 °C	2.067	Solid
34	Se	Selenium	78.971	220.9 °C	684.9 °C	4.809	Solid