NONMETALS

ELEMENTS IN GROUP

• Hydrogen(H)
• Carbon(C)
• Nitrogen(N)
• Oxygen(O)
• Phosphorus(P)
• Sulfer(S)
• Selenium(Se)

HYDROGEN

• Symbol: (H)
• Atomic number: 1
• Atomic mass: 1.008
• Boiling point: -252.87 C
• Melting point: -259.16
• Discovered by: Henry Cavendish

CARBON

• Symbol: (C)
• Atomic number: 6
• Atomic mass: 12.0107
• Boiling point: 4,827 C
• Melting point: 3823 K
• Discovered by: Egyptians

NITROGEN

• Symbol: (N)
• Atomic number: 7
• Atomic mass: 14.0067
• Boiling point: -195.8 C
• Melting point: -210 C
• Discovered by:

OXYGEN

• Symbol: (O)
• Atomic number: 8
• Atomic mass: 15.994
• Boiling point: -183 C
• Melting point: 218.8 C
• Discovered by: Carl Wilhelm Scheele

PHOSPHORUS

• Symbol: (P)
• Atomic number: 15
• Atomic mass: 30.973762
• Boiling point: 280.5 C
• Melting point:44.2 C
• Discovered by: Hennig Brand

SULFER

• Symbol: (S)
• Atomic number: 16
• Atomic mass: 32.065
• Boiling point: 444.7 C
• Melting point: 115.2 C
• Discovered by: Known since ancient times

SELELNIUM

• Symbol:
• Atomic number: 34
• Atomic mass: 78.96
• Boiling point: 684.8 C
• Melting point: 220.8 C
• Discovered by: Jons Jacob Berzelious

*Non-metals are elements in groups 14-16 on the periodic table.
* These elements are not able to conduct heat or electricity.
*They exist in only gasses and solids.
*They have no metallic luster and do nit reflect light.
*Most non-metals are used for Fertlizers and man-made chemicals