Periodic Trends

Periodic Trends

Assessment

Flashcard

Chemistry

9th - 12th Grade

Hard

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25 questions

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1.

FLASHCARD QUESTION

Front

Ionization energy is the...

Back

energy needed to remove the outermost electron.

2.

FLASHCARD QUESTION

Front

Electronegativity is the...

Back

ability of an atom to attract electrons from another atom.

3.

FLASHCARD QUESTION

Front

ELECTRONEGATIVITY __________ from left to right across a period and __________ from top to bottom down a group.

Back

increases, decreases

4.

FLASHCARD QUESTION

Front

The element with the largest electronegativity is -

At

,

F

,

Cl

,

Br

Back

F

5.

FLASHCARD QUESTION

Front

As you move down a GROUP on the periodic table, why does the atomic radius get bigger?

Back

The atoms have more energy levels for the electrons.

6.

FLASHCARD QUESTION

Front

As you move across a period on the periodic table, why does the atomic radius tend to get smaller? Options: the atoms have more mass making them heavier; more neutrons, making the nucleus bigger; the atoms have more protons, pulling the electrons closer; the atoms have less energy levels for the electrons to occupy.

Back

The atoms have more protons, pulling the electrons closer.

7.

FLASHCARD QUESTION

Front

Which element has a greater atomic radius, nitrogen (N) or fluorine (F)?

Back

Nitrogen

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