00:02
Hello, in this question, we have been given certain elements and we have to tell the group number and period they belong to.
00:11
Okay, so the first one is redone.
00:14
Okay, so redon belongs to group number 8a or group number 18.
00:21
Okay, and it belongs to period 6.
00:24
Okay, so for this you have to refer to the periodic table.
00:32
Okay, then we go to b.
00:34
B is 10.
00:35
Okay, so 10 belongs to group 4a or group.
00:38
Group 14 and it belongs to period 5...