There are zero countries that end in the letter 'w'. Interestingly enough, there are also no countries that start with a 'w'.
The country name that beginning with 'A' but not ending in 'A' is Azerbaijan
Suriname
One name beginning with A and ending with W is Andrew.
scow.
joerw
Germany
Turkey
· Wales
Honduras
Finland
The noble gasses are all elements in the last group in the Periodic Table, starting w/ helium ending w/ radon
western Samoa