PNICTRON

• Also known as the nitrogen family.
• Consists of the element nitrogen , phosphorus, arsenic, antimony, and bismuth.
• These elements do react with water, acid, and elements of the halogen.

NITROGEN

• Symbol N
• Atomic number 7
• Atomic mass 14.007
• It is the lightest element in the Nitrogen family
• It is a non metal
• Nitrogen is used to make fertillsers, nitrie acid , nylon, dyes, and explosive.

PHOSHORUS

• Symbol P
• Atomic number 15
• Atomic mass 30.974
• It is a non metal
• It was discovered by Hennig Brandt in 1669
• There is red phosphorus has to forms, red phosphorus, and white phosphorus.
• White phosphorus is to make flare and incendiary devices(explosives)
• Red phosphorus is used in the material stuck on side of match boxes, and to strike safety matches to light them.

ARSENIC

• Symbol As
• Atomic number 33
• Atomic mass 74.922
• It's a metalloid
• Arsenic is used in solid device device
• Arsenic is also used to make special glass and preserver wood
• Arsenic makes up 15% of the earth crust

ANTIMONY

• Symbol Sb
• Atomic number 51
• Atomic mass 121.76
• It's a metalloid
• Antimony alloy are used in batteries, metal , cable sheathing , and etc .
• Antimony compounds are used to make flame proofing , paints , and glass and pottery.

BISMUTH

• Symbol Bi
• Atomic number 83
• Atomic mass 208.98
• It's a metal

QUESTION

• How much of the earth crust does arsenic make?
• Is bismuth metal, metalloid, and metal?
• Which element in this group is the lightest.
• Who discovered phosphorus in 1669?
• What is antimony used for? And what is the symbol of antimony?

ANSWERS

• 15%
• Metal
• Nitrogen
• Hennig Brandt
• Antimony is used in batteries, metal, and cable shearing.

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