State the electronic configuration of A3 and state whether it is metal, non metal or inert gas.
Electronic configuration of A3:
Metals:
State the electronic configuration of the following elements and state whether they are metals, non-metals, or inert gas
A3
Write the electronic configuration of E3.Find out E is a metal, non metal or inert gas.
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.