Write electronic configuration of element ${}_{17}^{35}T$
State number of protons and neutrons in $T$.

Q. Write electronic configuration of element ${}_{17}^{35}T$
What is the period number of $T$?

Q.

Write electronic configuration of element $\stackrel{35}{\stackrel{17}{}}$ T.

(a) What is the group number of T?

(b) What is the period number of T?

(c) How many valence electrons are there in an atom of T?

(d) What is the valency of T?

(e) Is it a metal or a non-metal?

(f) State number of protons and neutrons in T.

Q. Write electronic configuration of element ${}_{17}^{35}T.$
Is it a metal or a non-metal?

Q.

An element A atomic number 7 mass number 14

B electronic configuration 2, 8, 8

C electrons 13, neutrons 14

D Protons 18 neutrons 22

E electronic configuration 2, 8, 8, 1

State (i) valency of each element (ii) which one is a metal (iii) which is a non-metal (iv) which is an inert gas.

Q. In Br how many protons and neutrons are present? write it's electronic configuration and valency