Acarbon-12 atom has 6 protons, 6 neutrons, and 6 electrons. how many protons does a carbon-14 atom have? a) 6 b) 8 c) 12 d) 14

Carbon-14 has an atomic mass of 14 ( = 6 protons + 8 neutrons).

A) 6

Explanation:

The number of protons is the defining characteristic of an element. This means that a carbon atom has always 6 protons.

Isotopes are atoms of the same element, equal number of protons, and different number of neutrons.

The carbon-12 atom has 6 protons and 6 neutrons.

The carbon-14 atom has 6 protons and 8 neutrons.

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explanation:

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