PERIODIC TRENDS

PERIODIC TRENDS

Assessment

Flashcard

Chemistry

10th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is ionization energy?

Back

The energy required to remove an electron from an atom in its gaseous state.

2.

FLASHCARD QUESTION

Front

Why does Francium (Fr) have the lowest ionization energy in Group 1?

Back

Its 1 valence electron is very far from the nucleus, so little energy is needed to remove it.

3.

FLASHCARD QUESTION

Front

What trend does ionization energy follow across a period?

Back

Ionization energy generally increases across a period from left to right.

4.

FLASHCARD QUESTION

Front

What trend does ionization energy follow down a group?

Back

Ionization energy generally decreases down a group.

5.

FLASHCARD QUESTION

Front

What is electronegativity?

Back

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

6.

FLASHCARD QUESTION

Front

Which element has the highest electronegativity in Period 3?

Back

Chlorine (Cl) has the highest electronegativity in Period 3.

7.

FLASHCARD QUESTION

Front

What is the relationship between atomic radius and ionization energy?

Back

As atomic radius increases, ionization energy decreases.

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