Question

The carbon atom is sometimes listed as carbon-12 and sometimes as carbon-14. What does this mean?

Answer 1

A.
These are two isotopes of the carbon atom. Carbon-12 has 6 neutrons and carbon-14 has 8 neutrons.


B.
These are two allotropes of the carbon atom. Carbon-12 has 6 neutrons and carbon-14 has 8 neutrons.


C.
These are two isotopes of the carbon atom. Carbon-12 has 6 protons and carbon-14 has 8 protons.


D.
These are two allotropes of the carbon atom. Carbon-12 has 6 protons and carbon-14 has 8 protons.

Answer 2

@UnkleRhaukus

Answer 3

I know it is either A or C

Answer 4

Carbon has an atomic number of 6, so it always has 6 protons ,
however the atomic mass is the sum of the protons + the neutrons,

Answer 5

so the number of neutrons in carbon will determine which isotope it is

Answer 6

genius.

Answer 7

So A?

Answer 8

yah!

Answer 9

Thanks A Bunch :)