Answer:
Potassium
Explanation:
As potassium is larger than sodium, potassium's valence electron is at a greater distance from the attractive nucleus and is so removed more easily than sodium's valence electron. As it is removed more easily, it requires less energy, and can be said to be more reactive.
Answer: k manh hon
Explanation:
k manh hon vi trong day hoat dong hoa hoc kali dung trc
