How Does Atomic Radius Change as You Move Across the Periodic

question 102

Multiple Choice

How does atomic radius change as you move across the periodic table?

• A) Atomic radius decreases moving from left to right across a period and increases from top to bottom.
• B) Atomic radius increases moving left to right across a period and decreases from top to bottom.
• C) Smaller nuclear charge lowers energy; more electrons in an orbital lowers energy.
• D) Atomic radius increases diagonally across the periodic table.
• E) None of the answers is correct.

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Definitions:

Geologic Timescale

A method of dating based on the chronological correlation of Earth's geological layers to time, utilized by geologists for depicting the sequence and association of historical events on Earth.

Seafloor Spreading

The process by which new oceanic crust is formed at mid-ocean ridges and slowly moves away from them.

Isotopic Ages

The determination of the age of rocks, minerals, or samples by measuring the relative abundance of specific isotopes.

Correlations

In geology, the establishment of equivalency between geological features or layers at different locations based on their characteristics and age.