P + O2 → P4O10 balance the equation

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water