Oxygen

Oxygen ek chemical element hae jiske chemical symbol O, atomik number 8 aur atomik mass 32 hae. Ii nature me bina rang aur mahak ke hae.Oxygen ke bina janvar ya manushya nahi ji sakta.zyatar oxygen vriksho se milta hai.aur prithivi me yeh 21% milta hai jo vrikhsa dete hai.aaur app chaapa ke gallery se samajh sakte hai

 Chhapa ke gallery 

vibhag:O
vibhag:Chemical elements
vibhag:Molecules
vibhag:Nonmetals