The action or process of making a copy of something.
Answer:
0.212
Explanation:
(5.30g) / (5.30g + 19.7g)
Answer:
billion is larger \ part if billion
False... The number of electrons in the outer shell of the atom of the element determines it's reactivity. <span />
Answer:
Explanation:The atomic number of sodium is 11. That is, the number of electrons in sodium is 11. Therefore, a sodium atom will have two electrons in the first shell, eight in the 2nd orbit, and an electron in the 3rd shell.