Question

The period and group number of element with atomic number
26.
7 are
A) 2,3
B) 2,4
C) 2,5
D) 2,15​

Answer 1

Answer:

your answer D 2 15 mark me brainlist

Answer 2

iron, as we know, has an atomic number of 26, that is, it has a total of 26 electrons. And its electronic configuration is depicted as - 1s2 2s2 2p6 3s2 3p6 3d6 4s2.

as it enters to 4 th valence shell (4s2) .. the group is 4 th group

there the option is B

hope this helps you!!