Question

Elements of same period in periodic table

[1]

a) Li Na K

b) Ca Mg Ba

c) N C P

d) Be O Ne​

Answer 1

Answer:

The answer is option d) Be O Ne​

If you see the image you can find that "Be O Ne​" are in the same period 2, while "Li Na K" are in the same group 1 and  "Ca Mg Ba" are the group 2.

                        Hope it helps you ^_^