Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Which one of the following is the most fundamental characteristic of an element?
Melting point
Atomic number
Colour
Atomic weight
The number of maximum electrons in N Shell is ?
2
8
18
32
How many covalent bonds are present in a Chloropropane molecule having the molecular formula, C3H7Cl?
6
9
10
Neutrons were discovered by ?
James Chadwick
Ernest Rutherford
J. J. Thomson
John Dalton
In prokaryotic organisms, nuclear region is not surrounded by a membrane. This undefined nuclear region is known as
Nucleic acid
Nucleoid
Nucleolus
Nucleosome
