4. How many atoms of hydrogen are there in 36 g of NH3? (N=14,H=1) A 1.27 x 10 24
B 3.8 x 1024
C 1.27 x 1023
D 3.8 x 1022

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.

Match the formula for the following compound:   magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(so4)2·7h2omgso4·7h2o