06-06-2017
Chemistry

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Which statement is not true about oxygen-17 and oxygen-18 (A) they have the same number of protons. (B) their atoms have an identical mass. (C) They are isotopes of oxygen. (D) they do not have the same mass number

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saadhussain514 saadhussain514

11-08-2018

Correct answer choice is :

B) Their atoms have an identical mass.

Explanation:

Every oxygen molecules have 8 protons, but the nucleus may include 8, 9, or 10 neutrons. Light oxygen16, with 8 protons and 8 neutrons, is the usual normal isotope seen in life, accompanied by many minor numbers of heavy oxygen18, with 8 protons and 10 neutrons.

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