HELP ME ASAP PLEASE LOTS OF POINTS Determine the average atomic mass of Sulfur, given the following:

There are 3 isotopes of the element Sulfur the mass numbers and abundances are as follows:

S-32: 94.99%; S-33: .75%; S-34: 4.26%

Which of the following elements is a representative element? a. chromium (cr) b. aluminum (al) c. mercury (hg) d. silver (ag)

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?