Honors Periodic Trends

Which has the greater EN: 
Cl or Al?

• Cl
• Al

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

• Gallium (Ga)

• Aluminum (Al)

• Magnesium (Mg)

• Strontium (Sr)

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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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As atoms of elements in group 16 are considered in order from top to bottom, the electron affinity of each successive element....

• decreases

• increases

• remains the same

• none of the above

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Which atom has the smallest atomic radius?

• potassium

• rubidium

• francium

• cesium

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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

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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 coulombic attraction

• the atoms have less coulombic attraction

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Electronegativity is...

• how good an atom is at attracting electrons in a chemical bond

• the ability of an atom to lose electrons

• the energy required to remove an electron from a specific atom

• how easy it is to make friends.

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Ionization energy is...

• the energy required to add an electron to a specific atom
• how much energy it takes to remove an electron from an atom
• the energy required to shield the outer electrons from the nucleus
• a measure of the ability of an atom to attract electrons

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Which statement correctly and completely identifies a trend?

• Atomic radius decreases across a period and increases down a group.
• Electronegativity decreases across a period and decreases down a group.
• Ionization energy increases across a period and increases down a group.
• Ionic radius increases across a period and increases down a group.

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