Periodic Trends

As you move across the periodic table, from left to right, the metallic character of the elements________

• increases

• decreases

• stays the same

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Which of the following has a larger radius than Zinc

• Gallium

• Magnesium

• Strontium

• Aluminum

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Which has a lower ionization energy: Lithium or Potassium?

• Lithium

• Potassium

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Which atom has the most valence electrons

• Ca

• C

• Cl

• Si

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As you move across the periodic table, from left to right, ionization energy is __________________.

• decreasing

• increasing

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As you move across a period, do the atoms get smaller or larger?

• smaller

• larger

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How many valence electrons does a neutral atom of nitrogen have?

• 2

• 4

• 5

• 6

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Which atom is more electronegative?

• K

• Rb

• Cl

• B

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As atoms in Group 15 are considered in order from top to bottom, the electronegativity of each successive element....

• increases

• decreases

• remains the same

• none of the above

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As you move down the periodic table, atoms tend to get bigger because...

• They have more mass

• They have more protons

• They have more energy levels

• They have more mass