FIND THE EXPECTED VALUE OF A RANDOM VARIABLE X HAVING THE FOLLOWING PROBABILTIY DISTRIBUTION. X0,1,2,3,4,5 PROBABILTIY 1/8,1/4,3/16,1/4,1/16,1/8

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

What is the percentage of hydrogen in nitrogen trihydride