Respuesta :
Answer:
B) Bromine
Explanation:
The second question is: Number the elements sodium, magnesium, and potassium in the predicted order of ionic radius from the largest (1) to the smallest (3).
___ sodium
___ magnesium
___ potassium
Answer:
2
3
1
Bromine has a larger ionic radius than chlorine.
The periodic table is an arrangement of elements in order increasing atomic number. The elements are arranged in groups and periods. The elements in the same group have the same number of valence electrons while the elements in the same period have the same number of shells.
The ionic radii of elements increases down the group. Since bromine is lower in group 17 than chlorine in group 17, bromine has a larger ionic radius than chlorine.
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