A stable atom is an atom that has enough binding energy to hold the nucleus together permanently. An unstable atom does not have enough binding energy to hold the nucleus together permanently and is called a radioactive atom.
The formula for molariy is nomber of moles/volume
0.5=n/1=>n=0.5 moles
one mole contains 6.023*10^23 molecules
so 0.5 contain 3.0115*10^23 molecules
I feel like it is important, because it is always nice to learn about
new things and keep your mind open, to expand your knowledge.
I hope this helps ^-^
Answer: Calcium
Explanation:
not 100% sure but i looked it up and got calcium. 99% sure.
