Which pair of atomic numbers represents elements in the same group?
Answers
Answered by
1
Answer:
The answer is 13 and 31. Aluminium and Gallium.
Explanation:
13 and 31 is the pair of elements which are placed in the same group of the periodic table. 13 is the atomic number of Al and 31 is the atomic number of Ga.
Both of these elements are in the same group 3A. The electronic configuration of these elements shows that these elements have the same number of electrons in their outermost shell. Their valence shell has 3 electrons.
Answered by
2
Answer:
13 and 13 Aluminium and Gallium
Explanation:
13 and 13 is the pair of elements which are placed in the same group of the perriodic table
Similar questions