In a Molecule Having Three Pairs of Electrons Around a Central

question 87

Multiple Choice

In a molecule having three pairs of electrons around a central atom and a trigonal planar shape, how many lone pairs of electrons does the central atom have ?

• A) 1
• B) 0
• C) 2
• D) 3

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Definitions:

Ebbinghaus

Refers to Hermann Ebbinghaus, a psychologist who pioneered the experimental study of memory and discovered the forgetting curve and the spacing effect.

Information Forgotten

The loss of the ability to recall or recognize information that was previously learned or experienced.

Nonsense Syllables

Combinations of letters that do not form actual words, used in psychological experiments to study memory and learning.

Hermann Ebbinghaus

A German psychologist famous for his pioneering work on the study of memory, including the forgetting curve and the spacing effect.