MCAT Chemical and Physical Foundations of Biological Systems Flashcards: 5b Covalent Bonding Lewis Structures

Study 5b Covalent Bonding Lewis Structures in MCAT Chemical and Physical Foundations of Biological Systems with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the maximum number of electrons that can be placed around hydrogen in a Lewis structure?

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ANSWER

$2$ electrons. Hydrogen's $1s$ orbital limits it to $2$ electrons, mimicking helium's stable configuration.

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What this deck covers

This deck focuses on 5b Covalent Bonding Lewis Structures, giving you a quick way to review the definitions, rules, and examples that matter most for MCAT Chemical and Physical Foundations of Biological Systems.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 50Practice questions for this set

A catalysis paper describes hydrogen cyanide (HCN) as a linear ligand in metal complexes. HCN has 10 valence electrons total (H = 1, C = 4, N = 5) and is commonly drawn as H–C<3N with one lone pair on N. Based on the Lewis structure, what prediction can be made about the bond angle H–C–N and the hybridization of carbon?

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