Trends in Alkali Metals: Atomic Radius and Ionization Energy

Hard General Chemistry Atomic Structure And Periodic Trends

In the study of atomic structure, various trends can be observed within the periodic table. Consider the alkali metals, which are found in Group 1 of the periodic table. These elements exhibit specific physical and chemical properties as one moves down the group. For example, the first ionization energy generally decreases as you move from lithium (Li) to francium (Fr). Additionally, the atomic radius increases down the group, affecting the reactivity of these metals.

Based on the trends in atomic structure, which of the following statements best describes the atomic radius and ionization energy of the alkali metals?

The atomic radius decreases and ionization energy increases as you move down the group.

Both atomic radius and ionization energy decrease as you move down the group.

The atomic radius increases and ionization energy decreases as you move down the group.

The atomic radius remains constant while ionization energy decreases as you move down the group.

Hint

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