Help please A student makes a model of a hydrogen isotope as shown below.
Hydrogen Isotope
Key
proton
electron
The student is asked to create a model of a different hydrogen isotope. Which change should the student make to the model
to represent the different hydrogen isotope?
adding a neutron to the nucleus of the atom
adding an electron to the nucleus of the atom
adding a neutron to the outer portion of the atom
adding an electron to the outer portion of the atom