help with neutrons, protons and carbon-12

Question

1.  the number of neutrons and protons in an atom indicates its

 

a.  mass number

b. atomic mass

c.  atomic number

 

is the answer a?

 

2.  carbon 12 and carbon 14

 

a.  are isotopes

b.  contain different numbers of neutrons

c.  contain the same number of protons

d.  all of these

 

is the answer for #2 d?

 

thanks

 

thanks

Answer 1

Yes and yes.