13. Protons and neutrons are colleclively known as (5 points) A. electrons
B. muons
C. positrons
D. nucleons
E. hadrons​

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

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.

Find the mass, in grams, of 5.00*10^23 molecules of f2