Period Table Trends

Which of the following will have a larger radius than Zinc?

• Gallium
• Aluminum
• Magnesium
• Strontium

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As you move down the periodic table atoms get bigger.  This is because ____________.

• The atoms have more mass.
• The atoms have more protons.
• The atoms have more energy levels
• The atoms have more neutrons

As you move across the periodic table atoms tend to get smaller because, ______________.

• the atoms have more mass.
• the atoms have less mass
• the atoms have more protons.
• the atoms have less electrons.

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The atom with the largest atomic radius in Group 18 is - 

• Ar
• He
• Kr
• Rn

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Atomic radius generally increases as we move __________.  

• down a group and from right to left across a period 
• up a group and from left to right across a period 
• down a group and from left to right across a period 
• up a group and from right to left across a period 

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Vertical columns of elements (families) on the periodic table with similar  properties

• groups
• periods
• quadrants
• rows

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Which atom has the largest atomic radius?

• potassium
• rubidium 
• francium
• cesium

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As you move from left to right on the periodic table, the number of valence electrons.......

• Increases

• Decreases

• Remains the same

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As you move down a group on the periodic table, the number of valence electrons....

• Increases

• Decreases

• Remains the same

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Which of the following would be most similar to Phosphorus? (select all that apply)

• Nitrogen

• Sulfur

• Silicon

• Germanium

• Antimony

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