How do i set up an electron configuration?NO LINKS

Which of the following words describe the reality that the universe looks the same from various perspective

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons

Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules