Assuming that an electron is approximately 1/2000 amu (0.0005), select objects to help classmates visualize the comparison of subatomic particles. Please use grams or kilograms as your mass units.

What is the maximum number of electrons that an atomic orbital can contain?

Why are pipes bursting in the in extremely cold weather?

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.