What this puzzle's columnar entries are taken from

Question:

Answer:

PERIODICTABLE

Length:

Similar Crossword Questions:

Second of a pair of letters swapped six times in this puzzle's theme entries
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)
Tone-Loc and Marky Mark and the Funky Bunch, e.g. ... or how this puzzle's theme entries might be described?
Period that ends Nov. 3rd, requiring a shift, and letters that shift in this puzzle's theme entries
Movie title that describes what happened to the five long entries in this puzzle?
This puzzle's perimeter entries are all types of them
God with a weekday named after him who can be found in this puzzle's three grid-spanning entries
Linked, as this puzzle's thematic entries
Like fish for fish & chips -- or this puzzle's four theme entries
Gym gear hidden in this puzzle's theme entries
Activity suggested by this puzzle's theme entries
Store for athletes seeking protection? (And, onsides, what each of this puzzle's starred entries refers to)
Make of six models that are subject to recall ... and being sent back inside this puzzle's theme entries
Neologism that describes any of this puzzle's starred entries
Physical principle whose equation explains the changes in this puzzle's theme entries
What the constructor had to do to create the theme entries in this puzzle (boyeee)
This puzzle's theme entries, e.g.
Like exactly half the entries in this puzzle (abbr.)
This puzzle's theme entries