Answer:
2 protons, 1 electron, 7 neutrons, and 3 electrons
Step-by-step explanation:
Make a He atom with a mass of 4. How many protons did you put in the nucleus?
2 protons
Make a Li atom with a mass number of 7. How many electrons did you place in the outermost orbital (ring)?
1 electron
Make a N atom with a mass number of 14. How many neutrons are in the nucleus?
7 neutrons
Make a B atom with a mass number of 11. How many electrons did you put in the second orbital (ring)?
3 electrons