Oxygen Family

Elements:

Some interesting facts:

• Oxygen is the most common element in earth by mass.
• When light hits Selenium there's an increase in electronegativity.
• Marie Curie discovered the rare radioactive element called Polonium.

Elements in the "real" world:

• You can find oxygen in the air you breathe.
• Sulfur can found in gunpowder.
• Selenium is an additive to glass.

Oxygen

Oxygen characteristics:

• As a gas it is clear, as a liquid it is blue. It doesn't really have a texture as a gas and as liquid it's like water.

Oxygen Facts

• Atomic Number: 8
• Atomic Mass: 15.999
• Nonmetal
• Density: 1.429 kg/m3 at 20 degrees C
• Would it float or sink in water? Float

Where would you find oxygen in the world?

• Oxygen is in the air you breathe.
• It is also in the water of the earth.
• Oxygen is also in thing that are made out of plastic.

Interesting Facts:

• The Northern Lights are caused by oxygen atoms.
• It is the third most abundant element in the world.
• Oxygen does not burn.

Historical Facts:

• Joseph Priestly discovered oxygen in 1774.
• The name oxygen comes from greek words "oxy gene" which means "acid" and "forming".