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WorksheetsBasics of Chemistry
Total questions: 15
Worksheet time: 11mins
The Eletronic Configuration of Calcium
2K , 8L , 8M
2K , 8L , 8M , 8N
2K , 8L , 8M , 2N
2K , 8L , 10 M
If the Mass no. and the Atomic No. of an Atom H are same , then how many Neutrons are there in that atom H.
1
0
Depends on the Atom
5
What is the charge of Neon
+2
-2
+3
-3
What would be the Valence Shell for Sodium
K shell
L shell
M shell
N shell
Select the Elements which will be neither a Cation nor an Anion
Helium
Argon
Neon
Sodium
Select all the cations from Hydrogen to Neon
Lithium
Beryllium
Boron
Carbon
Nitrogen
Write the Electronic Configuration for Nitrogen.
For eg. 2K , 8L , 2M
(a)
What is the Duplete Rule ?
There can be only 2 electrons in the K shell
There can be only 2 electrons in the M shell
There should be 8 electrons in the M , N and L shell
There should be 8 electrons in the K shell
What is the Octet Rule ?
There can be only 2 electrons in the K shell
There can be only 2 electrons in the M shell
There should be 8 electrons in the M , N and L shell
There should be 8 electrons in the K shell
Name the anions from Carbon to Neon
Nitrogen
Oxygen
Fluorine
Chlorine
After gaining Electrons Oxygen will become
Oxygen ion
Oxide
Nitride
O2
After losing ions Beryllium will become
Berylide
Beryllium ion
Beryion
Beryllideion
When two atoms come together they form a/an
Element
Compound
Molecule
Cation
When many molecules come together they form a/an
Element
Compound
Molecule
Anion
Hydrogen + Oxygen =
Hydrogen will remain Hydrogen and oxygen will dissolve with hydrogen.
H2O
Water
Fire
