Coulomb's Law and Periodic Trends

How strong is the attractive force between a glass rod with a 0.700μC charge and a silk cloth with a –0.600μC charge, which are 12.0 cm apart, using the approximation that they act like point charges?

• -3.5 x 10^-2 N

• -263 N

• -0.263 N

• -3.5 x 10² N

• -0.315 N

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NGSS.HS-PS2-4

What is the formula for Coulomb's Law?

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NGSS.HS-PS2-4

Which of the following elements has the highest electronegativity?

• Fluorine

• Oxygen

• Chlorine

• Nitrogen

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NGSS.HS-PS1-1

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

• The force is halved

• The force is doubled

• The force is quartered

• The force remains the same

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NGSS.HS-PS2-4

Which of the following trends is observed across a period in the periodic table?

• Atomic radius decreases

• Ionization energy decreases

• Electronegativity decreases

• Metallic character increases

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Which element is likely to have the largest atomic radius in its period?

• Sodium

• Chlorine

• Aluminum

• Silicon

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How does the ionization energy change as you move down a group in the periodic table?

• It increases

• It decreases

• It remains constant

• It fluctuates

What is the effect of increasing the charge of one of the particles on the force between two charges according to Coulomb's Law?

• The force increases

• The force decreases

• The force remains the same

• The force becomes zero

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NGSS.HS-PS2-4

Which of the following elements has the smallest ionization energy?

• Cesium

• Lithium

• Beryllium

• Sodium

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