3 lol i was thinking about that from the ad
Tearing paper, Physical Change
Answer:
In chemistry and quantum mechanics, an orbital is a mathematical function that describes the wave-like behavior of an electron, electron pair, or (less commonly) nucleons. An orbital can contain two electrons with paired spins and is often associated with a specific region of an atom.
Explanation:
The sun of the protons a D neutrons in the nucleus of an atom is called the ATOMIC MASS
Answer:
symbol= F
proton= 9
neutron= 19 I understand this is it ok for you
