Advertisements
Advertisements
प्रश्न
Write down the electronic configuration of the following
- 2713X,
- 3517Y.
Write down the number of electrons in X and neutrons in Y and the formula of the compound formed by X and Y.[XY3]
Advertisements
उत्तर
Electronic configuration of:
(1) 2713X number of electrons = 13
Distribution of elecrtrons in different ordits
13 = [2, 8, 3]
K L M
Number of neutrons in Y
= A − Z = 35 − 17 = 18
(2) 3517Y number of electrons = 17
Distribution of electrons in different orbits
17 = [2, 8, 7]
K L M
Formula of compound formed is
APPEARS IN
संबंधित प्रश्न
What is the absolute mass and charge of an electron?
What is the nature of the charge on Cathode rays .
Name the sub-atomic particle whose charge is -1.
Element X has electronic configurations 2, 8, 18, 8, 1. Without identifying X,
- Predict the sign and charge on a simple ion of X.
- Write if X will be an oxidizing agent or a reducing agent. Why?
Choose the correct answer from A, B, C and D:
When a metal atom becomes an ion:
_______ is a negatively charged particle.
Atoms of all metals will have ______ electrons in their outermost orbit.
In a television tube, Cathode rays are deflected by magnetic fields.
Helium has two electrons in the outermost orbit and so it is chemically inert.
When an atom gains an electron it has more electrons and thus it carries a positive charge.
