Atomic Radius

Atomic Radius

Assessment

Flashcard

Chemistry

10th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is atomic radius?

Back

The atomic radius is the distance from the nucleus of an atom to the outermost shell of electrons.

2.

FLASHCARD QUESTION

Front

How does atomic radius change across a period in the periodic table?

Back

Atomic radius decreases from left to right across a period due to increased nuclear charge, which pulls electrons closer to the nucleus.

3.

FLASHCARD QUESTION

Front

How does atomic radius change down a group in the periodic table?

Back

Atomic radius increases down a group because additional electron shells are added, increasing the distance between the nucleus and the outermost electrons.

4.

FLASHCARD QUESTION

Front

What is the trend in atomic radius for alkali metals?

Back

The atomic radius increases down the group for alkali metals.

5.

FLASHCARD QUESTION

Front

Why does iodine have a larger atomic radius than bromine?

Back

Iodine has more occupied energy levels and greater shielding than bromine.

6.

FLASHCARD QUESTION

Front

Which group in the periodic table has the smallest atomic radius?

Back

Noble gases have the smallest atomic radius.

7.

FLASHCARD QUESTION

Front

What is the relationship between atomic radius and ionization energy?

Back

Generally, as atomic radius increases, ionization energy decreases because the outer electrons are further from the nucleus and are less tightly held.

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