Copper has 29 protons, when dealing with Cu^2+ all that means is it lost two electrons. so now the element has 29 protons and 27 electrons. Protons are positive and electrons are negative and neutrons are neutral. So say you had an element X^2- then you have gained two more electrons so the element has an overall negative charge. hope that helps
At the end of the reaction, the catalyst is UNCHANGED.
:)
5 inches I am not sure but I THINK it’s 5 inches sry if I’m wrong
Answer:
the other variable is also doubled
Explanation:
direct proportion, same thing has to happen to both variables
