The distribution of electrons of an element is given in the figure below. Identify the element and its valency.
A
Sodium; valency: 2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Magnesium; valency: 2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Magnesium; valency: 1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Sodium; valency: 1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is D Sodium; valency: 1 Atomic number = Number of protons = 11. So, the element is sodium. Also, the outermost shell has only one electron, and so, the valency of the element is 1.