Periodic Trends - 1

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

• Gallium
• Aluminum
• Magnesium
• Strontium

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Which of the following will have a higher electronegativity than arsenic (As)?

• Carbon (C)
• Neon (Ne)
• Antimony (Sb)
• Germanium (Ge)

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Which of the following will have a lower ionization energy than Scandium (Sc)?

• Helium (He)
• Titanium (Ti)
• Calcium (Ca)
• Magnesium (Mg)

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

• Ar
• He
• Kr
• Rn

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Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.

• decreases, increases 
• increases, increases
• increases, decreases 
• stays the same, increases

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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 (these are also known as a "family") - they also have the same number of valence electrons and are known as ________________.

• groups

• periods

• quadrants

• rows

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The family in the periodic table that contains the most reactive metals is the_______

• Alkaline Earth Metals
• Transition Metals 
• Alkali Metals
• Other Metals

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Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

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Most noble gases have _______ valence electrons.

• 1

• 2

• 7

• 8

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