say me some points in uses of oxygen please dont answer rubbish i will report if you answer correct i will mark as brainliest
Answers
Explanation:
oxygen is used in many activities
in respiration of living organism other than plants and trees
it is very important for fishes becz it is mixed in water also
oxygen is responsible for many important reactions
fire is burnt in the presence of oxygen
it makes soil fertile
by the help of oxygen human produce steel plastics etc.
oxygen continue replenished earth atmosphere by photosynthesis it makes major roll in process
............etc.
Answer:
Symbol: O
Atomic mass: 15.999 u
Atomic number: 8
Electron configuration: [He] 2s²2p⁴
Electrons per shell: 2, 6
Discoverers: Joseph Priestley, Carl Wilhelm Scheele, Antoine Lavoisier, Edwin McMillanP
hase at STP gas (O2)
Melting point 54.36 K (−218.79 °C, −361.82 °F)
Boiling point 90.188 K (−182.962 °C, −297.332 °F)
Explanation:
- oxygen is a gas
- oxygen is essential element for survival
- It is used in burning also
- it acts as fuel ⛽ for fire
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