Which of the following describes the difference between nitrogen-14 and nitrogen-15?

A. Nitrogen-14 has 14 electrons, 14 protons, and 14 neutrons; nitrogen-15 has 15 electrons, 15 protons, and 15 neutrons.

B. Nitrogen-14 has 7 electrons, 7 protons, and 7 neutrons; nitrogen-15 has 8 electrons, 8 protons, and 8 neutrons.

C. Nitrogen-14 has 14 electrons, 14 protons, and 14 neutrons; nitrogen-15 has 14 electrons, 14 protons, and 15 neutrons.

D. Nitrogen-14 has 7 electrons, 7 protons, 7 neutrons; nitrogen-15 has 7 electrons, 7 protons, and 8 neutrons.

Question

Manuel Jackson

Chemistry

6 July, 06:08

Which of the following describes the difference between nitrogen-14 and nitrogen-15?

A. Nitrogen-14 has 14 electrons, 14 protons, and 14 neutrons; nitrogen-15 has 15 electrons, 15 protons, and 15 neutrons.

B. Nitrogen-14 has 7 electrons, 7 protons, and 7 neutrons; nitrogen-15 has 8 electrons, 8 protons, and 8 neutrons.

C. Nitrogen-14 has 14 electrons, 14 protons, and 14 neutrons; nitrogen-15 has 14 electrons, 14 protons, and 15 neutrons.

D. Nitrogen-14 has 7 electrons, 7 protons, 7 neutrons; nitrogen-15 has 7 electrons, 7 protons, and 8 neutrons.

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Answers (1)

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Kiara · Answer 1

The atomic number of a neutral atom is equal to the number of protons and the number of electrons of the atom. The atomic weight meanwhile is equal to the sum of the number of protons and number of neutrons. nitrogen has 7 protons or electrons. hence nitrogen - 14 has 7 neutrons while nitrogen - 15 has 8 neutrons. answer is D