Which of the Following Elements Is Present in the Third

question 58

Multiple Choice

Which of the following elements is present in the third period of group 7A?

• A) S
• B) Cl₂
• C) I₂
• D) H₂
• E) Ar

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Definitions:

Modality

Value or values of a variable that have the highest frequency in a set of data.

Directional Hypothesis

A specific type of hypothesis that stipulates the direction of the expected relationship between variables (e.g., 'greater than', 'less than').

Non-directional Hypothesis

A hypothesis that predicts a relationship between variables without specifying the direction of the relationship.

Two-tailed

Involves hypotheses testing that considers both directions of differences (greater than or less than) without specifying which direction.