Asked by Anonymous
which of these elements-Na, Si, Cl, or Cs- has:
a)the highest first ionization energy?
b)the smallest radius?
c)the most metallic character?
a)the highest first ionization energy?
b)the smallest radius?
c)the most metallic character?
Answers
Answered by
DrBob222
I would go with Cl for a and b.
Cs for c.
Cs for c.
Answered by
Anonymous
how do you know?
Answered by
DrBob222
a. radius generally decreases [within the same period(row)] from left to right because electrons are being added to the same shell but the nuclear charge is increasing. All except Cs are in the same period
b. smaller radius and higher nuclear charge means harder to pull the outside electron away (first ionization potential).
c. The most electropositive element in the table is in the lower left corner; the most electronegative element is at the top right (don't count the noble gases). .
b. smaller radius and higher nuclear charge means harder to pull the outside electron away (first ionization potential).
c. The most electropositive element in the table is in the lower left corner; the most electronegative element is at the top right (don't count the noble gases). .
Answered by
Anonymous
CI,Sc,Al,Na
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