Chemistry, 30.04.2021 20:00, ashleyp2249
Which trend is observed as the first four elements in Group 17 on the Periodic Table are considered in order of increasing atomic number?
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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Which trend is observed as the first four elements in Group 17 on the Periodic Table are considered...
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