Electronegativity of Main-Group Elements Generally

question 160

Multiple Choice

Electronegativity of main-group elements generally

• A)increases from left to right across a period and increases down a group.
• B)increases from left to right across a period and decreases down a group.
• C)decreases from left to right across a period and increases down a group.
• D)decreases from left to right across a period and decreases down a group.

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Definitions:

Validity

The extent to which a concept, conclusion, or measurement is well-founded and corresponds accurately to the real world.

Correlation Coefficients

Statistical measures that quantify the degree to which two variables are related or move together.

Predictive Validity

The extent to which a score on a scale or test predicts future performance on a related task.

Correlate Strongly

To correlate strongly means that two or more variables have a significant association or relationship, where changes in one variable are consistently associated with changes in another.