https://quizlet.com/17797282/periodicity-review-flash-cards/
i took a test like this and i went to this site /\ /\ /\ and the flash cards have the answers
When lithium reacts to chlorine it goes from having no charge to +1 charge, while chlorine goes from neutral to having -1 charge.
The gram formula mass of P2O5 is 31*2 + 16*5 =142. The mole number of P2O5 is 0.380/142=0.00268 mol. There is 7 atom in one P2O5 molecule. And there is 6.02 * 10^23 molecule per mol. So the answer is 1.13*10^22 atoms.
Answer:
The answer is replacement.
Explanation:
