To arrange these elements according to the atomic radius (smallest to largest) would be:
Be, Mg, Ca, Sr, Ba
A, B, and C because they all equal 5.6 cm and it’s not close to 6.
<u><em>*(Answer)*=</em></u> An ion can have a positive or negative charge. Furthermore, it is a an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
<u><em>*(Request)*=</em></u> Searching the definition can help you find a definition faster.
Hope this helps
User who Answered: <u><em>BangtanBoyScouts</em></u>
By multiplying the mass value by 1000.
Answer:
There are 8 electrons in the last level. Because of the octet rule.
