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 an electron? State its relative mass and charge.
The atom of an element X has 7 electrons in its M shell.
Is it a metal or a non-metal?
What are cathode rays? How are these rays formed?
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?
If electrons are getting added to en element Y; then
Is Y getting oxidized or reduced?
Name or state the following:
Ion formed by the gain of an electron(s)
In the formation of (i) oxygen molecule (ii) carbon tetrachloride molecule, state the following:
- Electronic configuration of nearest inert gas attained.
- How many electrons are shared/transferred in bond formation
- Which type of bonds these compounds form?
- Draw their orbital diagrams.
An atom has a number of orbits and each orbit has protons.
Helium has two electrons in the outermost orbit and so it is chemically inert.
Select the INCORRECT statement.
