Nitrogen is the 7th element of the periodic table. It is a gas. It is the 5th most abundant element of the universe and makes up 78% of our atmosphere. One major use is in fertilizer and explosives. It is also used in certain types of welding. It is also used in the oil industry, and makes liquid nitrogen.
Phosphorus is the 15th element of the periodic table. It is poisonous and ignites when contacts air. It is used in fireworks, smoke bombs, and flares. It can even be used in soft drinks.
Arsenic is the 33rd element of the periodic table. It compounds are poisonous so it has been used to make rat poison and insecticides. It can be combined to make laser lights.
Antimony is the 51st element of the periodic table. It is a brittle metal and is a poor conductor of heat and electricity. Some of its alloys are used to make flame-proof materials.
Bismuth is the 83rd element of the periodic table. Bismuth mixes wit other metals to make fire detection systems, and automatic sprinklers.
