A. Oxygen and nitrogen. ( Just think NO nitrogen oxygen )
Ernest Rutherford's gold foil experiment was when he shot positively charged particles at a thin layer of gold foil. He concluded that there was a core that contained most of the atom's mass, the core is the nucleus
Answer:
The real answer for a is-He(helium)4,002602
The answer for b is-Mg(Magnesium) 24.305
Answer:
Júpiter and 60000 the are the awnsers