Search over 10,000 free study notes

As you go across the period, the number of protons increases, however the amount of shielding stays the same, so attraction of outer electrons to nucleus increases and more energy is required to remove an...

First of all, I would ask the student to read the text out loud in order to work on pronunciation. Then, we would replace the text in its context: book it has been taken from, synopsis of the original boo...

The Policy of Appeasement led to the Second World War as Britain and France, two of the main powers in 20^th century Europe, failed to appease Hitler to the extent where war with Nazi Germany wa...

First of all, multiply secx by (secx+tanx)/(secx+tanx). Use the substitution u=secx+tanx, so that du=(secxtanx+sec²x) dx and then substitute both terms. Calculate the integral of the du/u arriv...