Week 2: Periodic Trends and the Atom

Which atom has the largest atomic radius?

• potassium
• rubidium 
• francium
• cesium

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 nuetrons

The element with the largest electronegativity in the halogens is - 

• At
• F
• Cl
• Br

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The more protons there are, the  ____ .

• Weaker the pull
• Smaller the electrons
• Stronger the pull
• The bigger the electrons

Which periodic group has the smallest atomic radius?

• Alkali metals
• Halogens
• Noble Gases
• Transition metals

As we go from the left side to the right side on the periodic table, electronegativity...

• Increases
• Decreases
• Remains constant

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Which has the greater EN: 
Cl or Al?

• Cl
• Al

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Which has the greater EN: 
N or C?

• C
• N

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Which has the greater EN: 
H or F?

• H
• F

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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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