Answered

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The following is an isotope of lithium-7. Please select the correct answer regarding the atom of this isotope.
⁷₃ Li
a. There are 3 protons and 4 neutrons located in the nucleus of this atom. There are 3 electrons located in the energy levels surrounding the nucleus.
b. There are 7 protons and 3 neutrons located in the nucleus of this atom. There are 3 electrons located in the energy levels.
c. There are 3 protons and 7 neutrons located in the nucleus of this atom. There are 7 electrons located in the energy levels surrounding the nucleus.
d. None of the answers are correct.

Sagot :

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