SSC
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
All elements in a horizontal row are referred to as:
|
|
group
|
|
|
family
|
|
|
period
|
|
|
all of the above
|
Explanation:
Detailed explanation-1: -The correct option is B. Periods. Horizontal rows in the periodic table are called periods.
Detailed explanation-2: -The horizontal rows are called periods. Periods correspond to the relationship of orbitals, or likely areas in which electrons will be found, inside the outermost shell of the atom. Successive periods down the table correspond to atoms with a more electron-rich core of inner shells.
There is 1 question to complete.