5. express the composition of each atom in shorthand form.
a. zinc-64
b. chlorine-37
c. hydrogen-3
d. calcium-40

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Name the element in group 17, period 2. (periodic table)