Chemistry > 2003 > 5
WASSCE
Sodium (atomic number 11) and caesium (atomic number 55) are in Group I in the periodic table.
Which of the following statements is correct?
Which of the following statements is correct?
A.
Sodium has the higher electronegativity value.
B.
Caesium contains the higher number of valence electrons.
C.
Sodium has the lower ionization energy.
D.
Caesium has the lower reducing ability.
Answer: A
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