Answered: A neutral atom of aluminum has 14…

Living by Chemistry

2nd Edition

ISBN:9781464142314

Author:Angelica M. Stacy

Publisher:Angelica M. Stacy

ChapterU1: Alchemy: Matter, Atomic Structure, And Bonding

Section: Chapter Questions

Problem 3STP

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Question

A neutral atom of aluminum has 14 neutrons and 13 protons. How many electrons does this aluminum have?

a	1
b	13
c	14
d	27

The number of protons in the nucleus of an atom determines the species of the atom, i.e., the element to which the atom belongs. An atom has the same number of protons and neutrons. But the electron number cannot be used instead because

a	electrons are not within the nucleus
b	electrons are negatively charged
c	electrons can be removed from or added to an atom
d	electrons are lighter than protons

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