Answer:
What is the only letter in the alphabet that does not appear anywhere on the periodic table of elements?
What is it that no man ever yet did see, which never was, but always is to be?
White bird, featherless, flying out of paradise. Flying over sea and land. Dying in my hand.
I cannot be felt, seen or touched. Yet I can be found in everybody. My existence is always in debate. Yet I have my own style of music.
What number has all letters in alphabetical order when spelled out?
What is always coming but never arrives?