Puzzle No. 2: [SOLVED]

____ flavors, plus 7, times 4,

Minus one deck of cards -- this will equal five score.

Square root THAT one, and then let your sunglasses be on:

You should have the atomic number for ____.

Please answer for both blanks. Guesses/questions to info@rittenhousesociety as usual.

[A: 31; neon]