PERIODIC TRENDS

PERIODIC TRENDS

Assessment

Flashcard

Chemistry

11th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.

Back

increases, decreases

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

Why are elements towards the bottom of a group more reactive than those at the top?

Back

The electrons are farther from the nucleus.

4.

FLASHCARD QUESTION

Front

As you move down a group, atomic radius increases because -

Back

You add more and more shells (energy levels).

5.

FLASHCARD QUESTION

Front

What elements are the 'd-block'?

Back

Transition Metals

6.

FLASHCARD QUESTION

Front

What is the trend of atomic radius as you move from left to right across a period?

Back

Atomic radius decreases.

7.

FLASHCARD QUESTION

Front

What is ionization energy?

Back

The energy required to remove an electron from an atom.

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