What this puzzle's columnar entries are taken from

Question:

Answer:

PERIODICTABLE

Length:

Similar Crossword Questions:

Like the four theme entries in this puzzle, as it were
Sophomoric grade found in this puzzle's three longest entries
Just making things up, or a synonym for a three-word phrase describing this puzzle's theme entries
Soft stuff found in this puzzle's four longest Across entries
What are featured in the theme entries of this puzzle
"Awesome!" addition to this puzzle's three longest entries
Game symbolically represented by 30 puzzle entries
What the names in this puzzle's theme entries begin with
What each of this puzzle's theme entries contains
Find new work - or what you must do to get the three theme entries' names in this puzzle
What the four longest entries in this puzzle (except this one) are examples of
Promising words (and what's hidden in this puzzle's four longest entries)
The three in each of this puzzle's theme entries
Sales person's forte, and a synonym for the ends of this puzzle's three longest entries
"Infections" inside this puzzle's theme entries
Job, figuratively, and what's inside each of this puzzle's four longest entries
Second of a pair of letters swapped six times in this puzzle's theme entries
Tone-Loc and Marky Mark and the Funky Bunch, e.g. ... or how this puzzle's theme entries might be described?
The three of this puzzle's theme entries
Word hidden in this puzzle's theme entries
Playoff series finale ... or an apt title for this puzzle considering the number and length of its theme entries
Many people get one in the summer (and so do this puzzle's theme entries)
"Lady of letters" featured in this puzzle's four longest entries
Word that can precede the first word of the twelve starred entries in this puzzle
Office building problem that's a hint to this puzzle's theme entries (see their last three letters)