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

Question

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] · Answer 1 · 2022-04-15T23:23:31+03:00

harina [27]3 years ago

8 0

The first option: A forms 2+ ion and B is in group two: ex) Ca and Mg