The form of molecular hydrogen in which the two nuclei in the molecule have antiparallel spins (so that the spectrum exhibits no hyperfine structure) and which forms about 25 per cent of hydrogen under normal conditions.

Connections NYT: Hints For Today's Puzzle, Wed, Jan 14

NYT Strands Today - Hints, Spangram & Answers for January 14

Today’s Wordle Answer Jan 14 #1670- NYT Wordle Hints & Updates

Today's NYT Pips Hints & Answers

Today's NYT Capture Hints & Answers

NYT Mini Crossword Answers Today - The Mini for Jan 14 Solved

Connections NYT: Hints For Today's Puzzle, Wed, Jan 14

NYT Strands Today - Hints, Spangram & Answers for January 14

Today’s Wordle Answer Jan 14 #1670- NYT Wordle Hints & Updates

Today's NYT Pips Hints & Answers

Today's NYT Capture Hints & Answers

NYT Mini Crossword Answers Today - The Mini for Jan 14 Solved