Which of the following is true of the nucleus of an atom?I.It has a neutral charge.II.It is surrounded by an electron cloud.III.It represents about one-tenth of the atom’s total size.

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Which of the following is true of the nucleus of an atom?<br>I.It has a neutral charge.<br>II.It is surrounded by an electron cloud.<br>III.It represents about one-tenth of the atom’s total size.