Alpha particle has a mass of 4 (Two protons and two neutrons)
Neutron has a mass of 1
Beta particle has a mass of about 0 (Electron)
Proton has a mass of 1
So the answer is (2) Beta particle
Answer:
An atom that gains or loses an electron becomes an ion. If it gains a negative electron, it becomes a negative ion. If it loses an electron it becomes a positive ion.
A flight simulator that helps astronauts prepare for a shuttle launch is an example of a Scientific Model.
An atom of any element must contain "<span>(2) an equal number of protons and electrons" but it should be noted that atoms can borrow electrons from one another. </span>
There are no answer choices, so here are all of the non-metals:
Hydrogen, Helium, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Phosphorus, Sulfur, Chlorine, Argon, Selenium, Bromine, Krypton, Iodine, Xenon, Astatine, Radon, Tennessine, and Oganesson.
Hope this helps!!!
(Please give brainliest lol)
