Evil aliens have decided to kill everyone on Earth! Fortunately, they've given you two minutes to save as many as you can. All you have to do is name a country to save everyone in it.
But the question is what element has the chemical SYMBOL Y, not what element starts with a Y. Yttrium has the chemical symbol Y whereas Ytterbium's is Yb.
The word igloo is the translation from the Inuit word iglu. As such, its plural is igloos whilst the plural of iglu is igluit. Very misleading. Can I suggest you either allow both or clarify the clue?