Chemistry Unit 3 Review

What happens to the atomic numbers as you move from left to right on the periodic table?

• Increase

• Decrease

• Stay the same

• Nothing

Which of the following elements is most likely to have similar properties to those of sodium (Na)?

• Magnesium (Mg)

• Sulfur (S)

• Francium (Fr)

• Titanium (Ti)

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If an element has 117 protons which group will it be in on the periodic table?

• 1

• 7

• 11

• 17

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Which element is located in group 3?

• Yttrium (Y)

• Carbon (C)

• Sodium (Na)

• Lithium (Li)

Which element is located in period 4?

• Zirconium (Zr)

• Silicon (Si)

• Beryllium (Be)

• Iron (Fe)

Two elements that have similar physical and chemical properties are most likely in the same...

• period

• row

• group

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Which element is most likely to have six valence electrons?

• Barium (Ba)

• Carbon (C)

• Oxygen (O)

• Americium (Am)

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Which element is most likely to have three electron energy levels?

• Argon (Ar)

• Lithium (Li)

• Boron (B)

• Europium (Eu)

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Which element is located in period 4 and group 5?

• Vanadium (V)

• Zirconium (Zr)

• Niobium (Nb)

• Titanium (Ti)

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Which element is most likely to have six electrons in its 4th energy level?

• Oxygen (O)

• Selenium (Se)

• Krypton (Kr)

• Potassium (K)

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