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qid 3936 · chemistry

Question: A chemist possessesKCl, PH_3, GeCl_4, H_2S, andCsF. Which of these compounds do not contain a covalent bond?

  1. CsF, PH_3
  2. KCl, H_2S
  3. H_2S, CsF
  4. KCl, GeCl_4
  5. GeCl_4, H_2S
  6. GeCl_4, KCl
  7. KCl, CsF
  8. H_2S, PH_3
  9. PH_3, H_2S
  10. PH_3, GeCl_4

Our answer: G. KCl, CsF Source quote machine-checked (exact quote)

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How it was answered

Multi-step solver (maze), replayed by code

card: maze · card sha256 50269ff644e2a38d…

Current source

OpenStax, Chemistry 2e, Section 7.2 "Covalent Bonding"

https://openstax.org/books/chemistry-2e/pages/7-2-covalent-bonding

“The best guide to the covalent or ionic character of a bond is to consider the types of atoms involved and their relative positions in the periodic table. Bonds between two nonmetals are generally covalent; bonding between a metal and a nonmetal is often ionic.”

Source quote machine-checked (exact quote)

retrieved 2026-09-18T02:02:07.368Z

page text sha256 3c8a4cefa9cbe433… · content sha256 0133632674f951d6…

addendum maze_qid3936_b4_maze_input_ADDENDUM_source_rs20260918T020207Z · sha256 32966ae76867b676… · replaces the version below, addendum sha256 feec011ca07febb2…

Earlier version (superseded)

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

Source weak (http_get_200_text_and_question_terms)

retrieved 2026-09-17T23:23:10.873Z

page text sha256 8871e531004f67f3… · content sha256 —

addendum maze_qid3936_b4_maze_input_ADDENDUM_source_bf20260917T232310Z · sha256 feec011ca07febb2… · replaces the version below, addendum sha256 ceb3936fc51c38ac…

Earlier version (superseded)

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

addendum maze_qid3936_b4_maze_input_ADDENDUM_source · sha256 ceb3936fc51c38ac…

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