Oxygen – Gas and Liquid oxygen

Oxygen - Gas and Liquid oxygen

Oxygen atom Oxygen is an atom formed with 8 protons and 8 neutrons located in his nucleus, surrounded by 8 electrons located on two different shell (2 electrons on the first shell and 6 valence electrons). The atomic number of Oxygen is 8 and the electronic configuration of this atom is 1s2 2s2 2p4 . […]

Water – Source of life!

Oxygen - Gas and Liquid oxygen

Water is an interesting substance, We all know that our life depend on the presence of water around us! It’s the only substance on all of our planet that occurs naturally in solid, liquid and gas forms. Because of its composition it has some unique physical properties. Let’s start with the world’s most famous molecule, […]