<h2>
Emma here<em>
!</em></h2>
Answer:
im pretty sure its decreases going across a row (left to right)
Explanation:
As you move from left to right across a period on the periodic table the size of an atom will decrease
<h3>Hope this helps<em>! </em>Have a nice day<em>!</em></h3>
<span>B. energy
hope it helps
</span>
Explanation: This is a reaction of oxidation of in the presence of acidified . Acidified is a strong oxidizing agent.
To balance out the on the reactant side, we write on the product side.
Balancing out the following reaction gives us:
They push away from each other or repel due to the same charge they have.