Exam Q 4

Question 1

What was the purpose of Milikan’s oil drop experiments of 1908 to 1913?

Answer 1

To measure the magnitude of the charge of the electron

Question 2

State and give the reason for the trend in atomic radii across the second period of the periodic table

Answer 2

As you go across the second period, atomic radii decrease as effective nuclear charge increases and there is no increase in screening effect