The size of a hydrogen atom is about 1.2 times 10^-10m across. The size of an oxygen atom is 0.00000000152m across. What is the difference between the sizes of these atoms in scientific in scientific notation?
The size difference between the hydrogen atom and the oxygen atom can be calculated by subtracting the size of the hydrogen atom from the size of the oxygen atom:
0.00000000152m - 1.2 x 10^-10m = 0.00000000152m - 0.00000000012m = 0.00000000140m
This size difference can be expressed in scientific notation as 1.40 x 10^-9m.