Charged particle taken from this puzzle's four longest entries

Question:

Answer:

ION

Length:

Similar Crossword Questions:

Soft stuff found in this puzzle's four longest Across entries
Sales person's forte, and a synonym for the ends of this puzzle's three longest entries
Sophomoric grade found in this puzzle's three longest entries
2006 Disney film, and the ends of the eight longest entries in this puzzle
Little ones who, they say, are made up of the ends of this puzzle's four longest entries
Link buried in this puzzle's three longest entries
"Lady of letters" featured in this puzzle's four longest entries
Insincere talk, and a hint to the starts of this puzzle's four other longest entries
Promising words (and what's hidden in this puzzle's four longest entries)
"Awesome!" addition to this puzzle's three longest entries
Job, figuratively, and what's inside each of this puzzle's four longest entries
Word that can come before the last word of this puzzle's longest entries
What the four longest entries in this puzzle (except this one) are examples of
A synonym for it can be found inside this puzzle's four longest entries
New Haven collegian hidden in this puzzle's longest entries
What this puzzle's three longest entries are all about?
What each of this puzzle's longest entries has two of
LOUGANIS'S CHARGED PARTICLE
A good one follows the starts of the four longest puzzle answers
String of letters found in this puzzle's longest Across answers
Like fish for fish & chips -- or this puzzle's four theme entries
Communications device described by the first words of the puzzle's four longest answers
Commerce minder found in eight of this puzzle's longest answers
The starts of this puzzle's three longest answers are shades of it
What this puzzle's theme entries are