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Mastering Ionization Energy

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Questions and Answers

Which of the following best describes ionization energy?

The total amount of energy required to remove all electrons from an atom

The average amount of energy required to remove an electron from an atom

The maximum amount of energy required to remove an electron from an atom

The minimum amount of energy required to remove an electron from an atom (correct)

What are valence electrons?

Electrons located in the innermost shell of an atom

Electrons located closest to the nucleus of an atom

Electrons located furthest from the nucleus of an atom (correct)

Electrons located in the middle of an atom

Why are valence electrons the first to be stripped away during ionization?

Because they are closest to the nucleus

Because they have the highest energy

Because they are influenced the least by the positively charged nucleus (correct)

Because they have the lowest energy

What is the unit of measurement for ionization energy?

Moles (B) Signup and view all the answers

What does the formula for ionization energy represent?

The atom or molecule after being stripped of an electron (C) Signup and view all the answers

What affects the ionization energy of an element?

The number of protons in the nucleus (A) Signup and view all the answers

How is the periodic table organized to show the ionization energy trend?

By number of valence electrons (B) Signup and view all the answers

Which group of elements in the periodic table contains the same amount of valence electrons?

Group 18 (C) Signup and view all the answers

What is the trend of ionization energy across a period or row in the periodic table?

Increases from left to right (D) Signup and view all the answers

What is the trend of ionization energy down a group or column in the periodic table?

Decreases from top to bottom (D) Signup and view all the answers

Which element has a stronger positive charge in its nucleus, lithium or fluorine?

Fluorine (A) Signup and view all the answers

What is the relationship between atomic radius and ionization energy?

As atomic radius increases, ionization energy decreases (B) Signup and view all the answers

Which element has a greater positive influence on its outermost electron, lithium or cesium?

Lithium (C) Signup and view all the answers

What is the relationship between the number of electron shells and ionization energy?

As the number of electron shells decreases, ionization energy increases (C) Signup and view all the answers

Which corner of the periodic table requires more energy to strip the outermost electrons?

Top right corner (D) Signup and view all the answers