Question

a proton is added to carbon?
a proton is removed from carbon
a neutron is added to carbon?
a neutron is removed from carbon?
an electron is added to carbon?
an electron is removed from carbon?

Explanation:

Step1: Recall element - proton relationship

Adding or removing a proton changes the element. Carbon has 6 protons. Adding a proton makes it Nitrogen. Removing makes it Boron.

Step2: Recall isotope - neutron relationship

Changing neutrons creates isotopes. Adding or removing a neutron from Carbon creates different Carbon isotopes.

Step3: Recall ion - electron relationship

Adding an electron makes a negatively - charged ion (anion), removing makes a positively - charged ion (cation).

Answer:

A proton is added to Carbon? Nitrogen
A proton is removed from Carbon? Boron
A neutron is added to Carbon? Carbon isotope
A neutron is removed from Carbon? Carbon isotope
An electron is added to Carbon? Carbon anion
An electron is removed from Carbon? Carbon cation