Answer:
D They have the same properties.
Explanation:
The same no. of isotopes doesnot describes because isotopes have same symbol but didderent atomic mass.
Oxygen
Explanation:
Joseph Priestly's contribution to chemistry was the discovery of oxygen gas.
He was one of the notable chemist of his day. He lived from 1733 - 1804 and in 1774, discovered oxygen.
- He was one of the foremost scientist to discover the gaseous exchange process that occurs during photosynthesis.
- His works showed that plants absorbs carbon dioxide and releases oxygen gas into the atmosphere.
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Photosynthesis brainly.com/question/2761166
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Que voy a saber yo por Dios deja el fastidio
Which of the following measurements is expressed to three significant figures?
C. 5.60 km
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The scientists produced an adhesive that was made from carbon nano tubes. The adhesive has two different layers; the lower layer is composed of vertically aligned nano tubes while the upper layer is made up of curly nano tubes that are spaghetti - like in shape.
The adhesive device produced can hold a maximum force of 700 pounds while adhering to a smooth surface.<span />
