Protons is the number of the element on the periodic table. Electrons are the same number of protons and i'm sorry I do not know neutrons, I hope I helped!
Explanation:
nah biaar seneng, tuh ku jawab:c
Answer:
18.3%
Explanation:
Add the numbers together, and then take the number of grams of the substance, in this case copper, not coppper lol. divide the .45 by 2.45 to get 18.3
Answer:
2
Explanation:
Each orbital can hold two electrons. One spin-up and one spin-down.