Chemistry, 02.06.2021 19:50, lacourboud20005
7. Which trend is observed as the first four elements in Group 17 on the
Periodic Table are considered in order of increasing atomic number?*
O (1) Electronegativity decreases.
(2) First ionization energy increases.
(3) The number of valence electrons increases.
(4) The number of electron shells decreases.
Answers: 3
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7. Which trend is observed as the first four elements in Group 17 on the
Periodic Table are conside...
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