Periodic Trends

Periodic Trends

Assessment

Flashcard

Chemistry

9th - 10th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the trend in atomic radius as you move down a group in the periodic table?

Back

The atomic radius increases as you move down a group due to the addition of electron shells.

2.

FLASHCARD QUESTION

Front

What is the trend in atomic radius as you move across a period in the periodic table?

Back

The atomic radius decreases as you move across a period from left to right due to increased nuclear charge pulling electrons closer.

3.

FLASHCARD QUESTION

Front

What is ionization energy?

Back

Ionization energy is the amount of energy required to remove an electron from an atom.

4.

FLASHCARD QUESTION

Front

How does ionization energy change as you move down a group in the periodic table?

Back

Ionization energy decreases as you move down a group because the outer electrons are further from the nucleus and are held less tightly.

5.

FLASHCARD QUESTION

Front

How does ionization energy change as you move across a period in the periodic table?

Back

Ionization energy increases as you move across a period from left to right due to increased nuclear charge.

6.

FLASHCARD QUESTION

Front

What is electronegativity?

Back

Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons.

7.

FLASHCARD QUESTION

Front

How does electronegativity change as you move down a group in the periodic table?

Back

Electronegativity decreases as you move down a group because the increased distance between the nucleus and bonding electrons reduces the attraction.

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