Scelta multipla
The carbon atom is tetravalent. This means that:
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1. Intro to General Chemistry
Chemical Properties
Scelta multipla
When electrons move closer to a more electronegative atom, which of the following occurs?
A
The atom gains a partial positive charge.
B
The atom loses its ability to form covalent bonds.
C
The atom gains a partial negative charge.
D
The atom becomes less reactive.
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Understand the concept of electronegativity: it is the tendency of an atom to attract electrons towards itself in a chemical bond.
When electrons move closer to a more electronegative atom, that atom gains electron density, which means it acquires a partial negative charge (denoted as \(\delta^-\)).
Conversely, the atom losing electron density will have a partial positive charge (denoted as \(\delta^+\)).
This partial charge separation leads to a polar covalent bond, where electrons are not shared equally between atoms.
Therefore, the correct interpretation is that the more electronegative atom gains a partial negative charge, not a positive charge or loss of bonding ability.
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