In the fourth period of the periodic table, how many elements have one or more 4d electrons:

The fourth period of modern periodic table includes:

The fourth period of modern periodic table includes:

If there were 10 periods in the periodic table then how many elements would this period can maximum comprise of

The element of 4th period of the periodic table having maximum number of unpaired electrons in its ground state is

The element of 4th period of the periodic table having maximum number of unpaired electrons in its ground state is

The following questions refer to the periodic table: How many elements are in the second period?

An element belongs to group 17 ad the fourth period of the periodic table. Which of the following properties will be shown by the element-

How many elements are present in 4th period?