Answer:
The First choice is correct
Explanation:
That is the closest example of what is shown
Answer:
21 years
% of parent isotope remaining before safe
6.25%
Explanation:
Answer:
If you mean the number of atoms in 8g of oxygen, it's 3.011 x 10^23 atoms.
Explanation:
Convert the grams to moles. 8 grams of oxygen is 0.5 moles. Then multiply the number of moles by Avogadro's number: 6.022 x 10^23.
Answer:
copper is being reduced
Explanation: I got 100% on the quiz good luck this class is hard lol
