Answer:
<h2>
total no. of electron present in Valency shell is called valency electron </h2><h2>___________________</h2>
<h2>valency shell is that in which last electron is present</h2>
A. p block
from 3a-8a are in the p block including halogen
Answer: ABC&AMN are congruent by ASA comgruence
angle A=A
sideAN=AB
angle M=C
Explanation:
Answer:
the time required for one half of a sample of a radioisotope to decay
Answer:
they have mobile charged particles
Explanation:
A on edge
