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Neko [114]
3 years ago
5

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.
Chemistry
1 answer:
harina [27]3 years ago
8 0
The first option: A forms 2+ ion and B is in group two: ex) Ca and Mg

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