Chem4kids.: atoms: compounds, Chem4kids.com! this tutorial introduces chemical compounds. other sections include matter, elements, the periodic table, reactions, and biochemistry.. Oxygen element facts - periodic table elements , Oxygen's properties, interesting facts, discovery, videos, images, states, energies, appearance and characteristics.. Atom - industrial hardware & safety supplier, Atom is one of australia’s leading & fastest growing industrial hardware & safety supply companies. find it at atom 1800 999 024.
Oxygen () - chemical properties, health environmental, Oxygen. gaseous chemical element, symbol: , atomic number: 8 atomic weight 15,9994. ’ great interest ’ essential element . http://www.lenntech.com/periodic/elements/o.htm Oxygen facts - air, gas, atom, , properties, water, Oxygen facts. enjoy interesting oxygen facts learn relates air breathe, water, ozone layer .. http://www.sciencekids.co.nz/sciencefacts/chemistry/oxygen.html P/ ratio - wikipedia, The phosphate/oxygen ratio, p/ ratio, refers amount atp produced movement electrons defined electron transport chain, donated. https://en.wikipedia.org/wiki/P/O_ratio