Unit 4: Periodic Trends Test Review

Which selection of elements is in order of increasing ionization energy?

• C, N, O

• S, P, Si

• F, Cl, Br

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Which selection of elements is in order of increasing electronegativity?

• Na, Mg, Al

• Ar, N, F

• Ca, Ga, Fr

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Which selection of elements is in order of increasing atomic radii?

• C,N,O

• S, P, Si

• Br, Cl, F

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Which of these elements has the smallest atomic radius?

• Fluorine

• Francium

• Zinc

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How many valence electrons does group 13 have?

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Group 2 neutral elements have a ________radius than their ion?

• smaller

• larger

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Which statement is correct.

• Atomic sizes increase going down a group and from left to right across a period

• All atoms in the same period have the same atomic size because of the additional protons

• The atomic size of an atom increases as you move down a group because of the added energy levels and decreases as you move from left to right across a period because of the added protons.

• None of these statements is correct

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Which of the following is the least electronegative atom?

• Rb

• O

• Cl

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Which element is a Halogen?

• Li

• Mg

• Ne

• Cl

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Which element is a metal?

• Sb

• Br

• Ca

• S

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