Calculate the average atomic mass for the Chlorine 35.05 amu 75.2% abundant

37.10 amu 24.8% abundant

*Please give brief explanation if you can!

What is the atomic number of an atom that has 6 protons

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point