History and Properties of the Periodic Table

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What is the opposite of electronegativity?

Valence electron attraction

Ionization energy

Electropositivity (correct)

Electron affinity

Why does oxygen have a higher electronegativity than sulfur?

Oxygen has 2 energy levels, while sulfur has 3

Oxygen has 8 protons in the nucleus whereas sulfur only has 7

A bonding pair of electrons will experience more attraction from the oxygen’s nucleus than from sulfur’s (correct)

The bonding electrons in sulfur are further away from the nucleus of the atom

Why is oxygen more electronegative than nitrogen?

A bonding pair of electrons will experience more attraction from the oxygen’s nucleus than from nitrogen’s (correct)

Oxygen has 2 energy levels, while nitrogen has 3

Oxygen has 8 protons in the nucleus whereas nitrogen only has 7

The bonding electrons in nitrogen are further away from the nucleus of the atom

Which element is the most electronegative?

Fluorine Signup and view all the answers

What happens to electropositivity as the number of electron shells increase?

It decreases Signup and view all the answers

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

Atomic size decreases Signup and view all the answers

What happens to ionization energies as you move down a group?

Ionization energies decrease Signup and view all the answers

How does adding an electron affect a stable element?

The element absorbs energy Signup and view all the answers

What is the definition of ionization energy?

The energy needed to remove an electron from an atom Signup and view all the answers

When an electron is added to a neutral atom in the gaseous state, what is the resulting change in energy known as?

Electron affinity Signup and view all the answers

History and Properties of the Periodic Table

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Questions and Answers

What is the opposite of electronegativity?

Why does oxygen have a higher electronegativity than sulfur?

Why is oxygen more electronegative than nitrogen?

Which element is the most electronegative?

What happens to electropositivity as the number of electron shells increase?

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

What happens to ionization energies as you move down a group?

How does adding an electron affect a stable element?

What is the definition of ionization energy?

When an electron is added to a neutral atom in the gaseous state, what is the resulting change in energy known as?

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