Chemistry Semester 1 Final Review 2024 - Unit 3

As you move down the periodic table, what happens to the atomic radius?

• It increases

• It decreases

• It remains the same

• It fluctuates

What happens to electronegativity as you move across (--->) the periodic table?

• It increases

• It decreases

• It remains constant

• It fluctuates

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What happens to ionization energy as you move across (--->) the periodic table?

• It increases

• It decreases

• It remains constant

• It fluctuates

When metals lose electrons, they become ions that are:

• Larger and positively charged

• Smaller and positively charged

• Larger and negatively charged

• Smaller and negatively charged

• Identify element: 1s²2s¹

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Identify the element with the electron configuration 1s²2s²2p⁶3s²3p⁴.

• Oxygen

• Sulfur

• Chlorine

• Phosphorus

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Which of the following is an example of a metal?

• Helium

• Oxygen

• Iron

• Chlorine

What is the electron configuration for chlorine?

• 3s³3p³

• 3s²3p⁵

• 3s⁴2p²

• 4s³

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What is the electron configuration for cobalt?

• 3d⁷4s⁸

• 3d⁷4s⁵

• 3d⁷4s²

• 3d⁷4s³

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Which group of elements is known for having the highest ionization energy?

• Alkali metals

• Noble gases

• Halogens

• Transition metals

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