Element Element
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18) Element Rand Element Q have the same number of valence electrons. These elements both have similar chemical behavior, but Element Rhas fewer energy levels than Element
Which statement best describes the positions of the two elements in the periodic table?
A) The two elements are in the same period, with Element R the first element in the period and
Element Q the last element.
B) The two elements are side by side in the same period, with Element Q to the left of Element R.
C) The two elements are in the same group, with Element R just above Element Q
D) The two elements are in the same group, with Element Q at the top of the group and Element Rat the bottom
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