Oxygen Family

Elements

• Oxygen
• Sulfur
• Selenium
• Tellurium
• Poloniu

Interesting Facts

• When it comes to the earths crust, oxygen is the most common element.
• When light is shined on selenium, it has an increase in electrical conductivity.
• Tellurium is an exiting compound with positive and negative charge

The real world

• Oxygen can be found in many water places, oceans, lakes, ponds. its also the most commonly used element in the earths crust, making up about one quarter of the atmosphere by weight.
• Sulfur is also used in everyday life, when you fertilize a plant theres no doubt sulfur will be inside the fertilizer. it helps make the fertilizer healthy for plants.

Nitrogen

Physical Characteristics

• Nitrogen is colorless, odourless, and its a liquid.

Questions

• The atomic number is, 7.
• The atomic mass is 14.0067
• It is a nonmetal
• Nitrogen would float in water

Used in real world

• Almost 80% is used in the earths atmosphere
• You might find Nitrogen in cleaning products around the house.
• Nitrogen is also used to keep things cold, like in refrigerators.

Interesting facts

• Its odorless, colorless, and mostly insert gas
• Its the 7th most biggest element in the universe.
• Scientists use it to keep things cold.

Historical Facts

• Nitrogen was discovered in 1772 in Scotland, by Daniel Rutherford.
• In the 18th century it was known that air contains two gases.