The fourth period contains 18 elements, beginning with potassium and ending with krypton. As a rule, period 4 elements fill their 4s shells first, then their 3d and 4p shells, in that order; however, there are exceptions, such as chromium.
Cr. I think
It’s 2.0 molecules.
Explanation:
It’s kind of obvious, haha.
Answer:
Metals ions are oxidized because oxidation always occurs at cathode
Explanation:
___ is Thermal energy that flows between objects due to a difference in tempture
B Heat
