Coulomb's Law and Periodic Trends

As you move across a period, what happens to the nuclear charge in the atoms?

• It increases because more protons are added.

• It decreases because protons are taken away.

• It stays the same.

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What idea is this cartoon showing?

• chlorine is more electronegative than hydrogen

• chlorine has more energy levels than hydrogen

• hydrogen is more electronegative than chlorine

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What does Coulomb's Law describe?

• The force between two charged objects

• The energy of a photon

• The speed of light

• The mass of an electron

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According to Coulomb's Law, what happens to the force between two charges if the distance between them is doubled?

• It doubles

• It halves

• It quadruples

• It becomes one-fourth

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Which of the following is a correct expression of Coulomb's Law?

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What is the unit of charge in Coulomb's Law?

• Newton

• Coulomb

• Joule

• Watt

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How does atomic radius change across a period in the periodic table?

• It increases

• It decreases

• It remains constant

• It fluctuates

What is the trend in ionization energy as you move down a group in the periodic table?

• It increases

• It decreases

• It remains constant

• It fluctuates

Which element has the highest electronegativity?

• Fluorine

• Oxygen

• Chlorine

• Nitrogen

What is the relationship between electronegativity and atomic size?

• As atomic size increases, electronegativity increases

• As atomic size decreases, electronegativity decreases

• As atomic size increases, electronegativity decreases

• There is no relationship