← back to the Substrate Record

qid 4334 · chemistry

Question: The molecule with a tetrahedral shape is

  1. SO2
  2. BeCl2
  3. SF6
  4. CBr4
  5. PCl4F
  6. NH3
  7. BF3
  8. CO2
  9. H2O

Our answer: D. CBr4 Source quote machine-checked (exact quote)

A machine check confirms the quoted words appear at the source. A person has not yet reviewed these. EARN MARKS as a Human Reviewer

How it was answered

Multi-step solver (maze), replayed by code

card: maze · card sha256 e1c40deee60e2f1a…

Current source

Chemistry LibreTexts (CK-12 Introductory Chemistry), 9.14 Molecular Shapes - No Lone Pairs on Central Atoms

https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/09:_Covalent_Bonding/9.14:_Molecular_Shapes-_No_Lone_Pairs_on_Central_Atoms

“The molecular geometry of the methane molecule is tetrahedral (see figure \(\PageIndex{5}\)).”

Source quote machine-checked (exact quote)

retrieved 2026-09-18T01:08:15.502Z

page text sha256 5da0aa2a2a2dc650… · content sha256 13e7f7c800db5a3f…

addendum maze_qid4334_b4_maze_input_ADDENDUM_source_rs20260918T010815Z · sha256 923a832c933b9f55… · replaces the version below, addendum sha256 a89734f34db8d2ec…

Earlier version (superseded)

https://en.wikipedia.org/wiki/Carbon_tetrabromide

Source weak (http_get_200_text_and_question_terms)

retrieved 2026-09-17T23:23:16.648Z

page text sha256 8afd97e0d950896f… · content sha256 —

addendum maze_qid4334_b4_maze_input_ADDENDUM_source_bf20260917T232316Z · sha256 a89734f34db8d2ec… · replaces the version below, addendum sha256 c48dcd5ec0ad19d6…

Earlier version (superseded)

No public source has been found for this card yet (3 places checked internally).

addendum maze_qid4334_b4_maze_input_ADDENDUM_source · sha256 c48dcd5ec0ad19d6…

If you have a Citable Source to dispute or challenge this, ADD IT so we can correct the answer by appending, never deleting. — hello@lianabanyan.com