Answer:
just see it it will help trust me its my school work
Explanation:
Your answer is b because it is
I would believe it to be 55g. A -> B YIELDS AB. So, 10g + 45g = 55g.
Answer:
Radium
Explanation:
It has the highest atomic number so it would have more shells, making it larger than the others.
<u>Answer:</u> The balanced half reaction is written below.
<u>Explanation:</u>
Reduction reaction is defined as the chemical reaction in which an atom gains electrons. The oxidation number of the atom gets reduced during this reaction.

When oxygen gas is reduced to oxide ions, the number of electron transferred are 2
The chemical equation for the reduction of oxygen gas to oxide ions follows:

Hence, the balanced half reaction is written above.