Gallium has two isotopes, gallium-69 and gallium-71. The average atomic mass of gallium is 69.72. What
are the relative abundances of the two isotopes?

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

Identify a strong intermolecular force of attraction between an alcohol

Is laundry detergent an acid or a base?