Chemistry, 15.07.2019 06:30, madgiemiller2309
Which of the following pairs of elements could possibly be found in the same group on the periodic table? (2 points) a forms a 2+ ion; b is in group 2. a is a noble gas; b forms a 1− ion. a has 3 valence electrons; b is a halogen in group 17. a forms a 2− ion; b is a metal in group 2.
Answers: 1
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Which of the following pairs of elements could possibly be found in the same group on the periodic t...
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