Question

With reference to the modern periodic table answer the following questions:

The horizontal rows are called -

The vertical columns are called-

The shortest period is -

The longest period is -

The group to which alkaline metals belong -

The other name for group 2 elements -

The other name for the elements in Group 17 -

Zero group is also called as this group -

The atomic numbers of the lanthanides -

The elements with atomic numbers 90 to 103 are called this.


Pls pls answer these questions..

Answer 1

Answer:

1.horizontal rows are called periods

2.vertical columns are called groups

3.short period first one

4.long period sixth one

5.alkaline metals belong to first group

6.alkaline earth metal

7. group 17 another name halogen group

8.doesnt

9.lanthanide series consist of 14 elements from atomic number 58 to 71

10..actinoids series called from element 90 to 103

thankyou

hope you got it !!