79, for the chem. symbol at the heart of the four longest puzzle answers

Question:

Answer:

ATNO

Length:

Similar Crossword Questions:

Synonym for the first words of this puzzle's four longest answers
Apt subject for today that's hidden in this puzzle's four longest answers
Game that can follow the first part of this puzzle's four longest answers
Word that can precede the last word of the four longest puzzle answers
Break suggested by the starts of this puzzle's four longest answers
They're hidden in this puzzle's nine longest answers
What this puzzle's seven longest answers have in common
Computer malady (and what can follow the starts of the four longest puzzle answers)
Triatomic gas in a thinning layer ... and, symbolically, what appears in this puzzle's four longest answers
Word that can precede the first word of the six longest puzzle answers
It precedes the last words of the four longest puzzle answers
Foe hiding, in a way, in the puzzle's four longest answers
The four longest answers in this puzzle end in them
They're hidden in this puzzle's seven longest answers
Hoop group hidden inside this puzzle's three longest answers
Ocean "crossing" this puzzle's four longest answers (abbr.)
Regular stuff found inside this puzzle's three longest answers
Discussion group, and a word that can follow the ends of this puzzle's five longest answers
AprÃ¨s-___ (following a day on the slopes -- and, literally, where the first words of the four longest puzzle answers can be found)
Resort hidden in the five longest puzzle answers
Word hidden backwards in this puzzle's eight longest answers
Obstinate, and what the other four longest puzzle answers are?
Place to live, one of which starts the three longest puzzle answers
It can follow the ends of this puzzle's eight longest answers
Stone that's "cut" in this puzzle's four longest answers