Question

26. atomic number of an
element is 11. the period
number of this element in
modern periodic table is
O 1
O 3
O 6
O 2​

Answer 1

0 the form and Hindi ka Swaroop Nagar Kanpur dehat Kanpur dehat Uttar Pradesh and Hindi ka kam se kam bhej do please I will send

Answer 2

Answer:

3

Explanation:

sodium having atomic no. 11 is the first element of period 3rd