chapter 2: calculations

Question 1

to find the ratio of two compounds

Answer 1

divide the elements in the compound by one another to get the smallest ratio, then divide the ratios by one another to get the ratio of the two compounds

Question 2

mass of an electron

Answer 2

9.107*10^-31 kg

Question 3

fundamental unit of charge (e)

Answer 3

1.602*10^-19 C