D- Physical
Explanation:
A physical property is anything that has characteristics associated with a change in it's chemical composition
20 g O2 x 1 mol O2/32 g O = 0.625 mol O2
The best and most correct answer among the choices provided by the question is the second choice , b. sodium hydroxide .
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
The statement above is true. He conducted the oil-drop experiment which lead him to determine the charge of the electron. He suspended charged droplets into an oil which is in between two electrodes and balancing the upward force with the downward forces.
