How many electrons are in each shell of the element Zn? I know there is 30 protons in Zn but how many are in each shell?
Please helppp

How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?

May someone me with these science questions