A nucleus of Lithium containing 3 protons and 4 neutrons is surrounded by 4 electrons. Which of the following best describes this? | ICStudy

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A nucleus of Lithium containing 3 protons and 4 neutrons is surrounded by 4 electrons. Which of the following best describes this?

A.

Tracer

B.

Ion

C.

Isotope

D.

Neutral atom

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