The General Electron Configuration for Atoms of All Elements in Group

question 57

Multiple Choice

The general electron configuration for atoms of all elements in Group 5A is

• A) ns^2np6.
• B) ns^2np5.
• C) ns^2np4.
• D) ns^2np3.
• E) ns^2np1.

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Definitions:

Directional Research Hypothesis

A research hypothesis that posits a difference between groups in one direction.

Nondirectional Research Hypothesis

A research hypothesis that posits a difference between groups but not in either direction. See Directional Research Hypothesis.

Null Hypothesis

A hypothesis that there is no significant difference or effect, serving as the default assumption that is tested against.

Error Hypothesis

A statement positing the existence of a difference or effect, used in the context of hypothesis testing to denote a hypothesis that is tested for being in error relative to the null.