Question

The element carbon exists in several different forms. Pure carbon can be found in the form of diamonds, coal, and the graphite in your
pencil. Which statement concerning carbon is FALSE?
A)
All carbon atoms have 6 protons.
B)
All carbon atoms have 6 neutrons.
All carbon atoms have an atomic mass equal to the number of protons and
neutrons.
D)
All carbon atoms have an atomic number of 6.
Submit
Structure and properties latter

Answer 1

The correct option is B.

• Carbon is an element with an atomic number of 6. Each atom of carbon is made up of electron, proton and neutron. Carbon has six protons and six neutrons in its atom but its number of neutrons differ. This is because carbon exhibit isotopy. The isotopes of carbon are: carbon 12, carbon 13 and carbon 14. Carbon 12 has 6 neutrons, carbon 13 has 7 neutrons and carbon 14 has 8 neutrons.