Explanation:
The small number behind each element symbol designates the number of atoms of each element in a chemical formula. If there is no number, it is assumed there is only one of those elements. A large number designates how many units there are of that compound.
The phase is prophase, it’s the first phase of mitosis, during that phase, it separates the genetic material thats in the nuclear of a parent cell into two identical daughter cells and chromatin condenses. The nucleus is still visible in this stage