Periodic Trends Review

Front

What is ionization energy?

Back

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

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Front

Which element has a higher ionization energy, Br or F?

Back

F

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Front

How many valence electrons does Oxygen have?

Back

6 Valence electrons

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Front

What are valence electrons?

Back

Outer shell electrons that are involved in chemical bonding.

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Front

How does reactivity change across a period in the periodic table?

Back

Reactivity generally decreases from left to right across a period.

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Front

How does reactivity change down a group in the periodic table?

Back

Reactivity generally increases down a group.

Front

What is the trend of ionization energy as you move down a group?

Back

Ionization energy decreases as you move down a group.

Front

What is the trend of ionization energy as you move left to right across a period?

Back

Ionization energy increases as you move left to right across a period.

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Front

What is electronegativity?

Back

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

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Front

Which element is more electronegative, Cl or Br?

Back

Cl

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