9th Class Chemistry Chapter 2 Online MCQ Test With Answers PDF English Medium (Structure of Atoms)

Chemistry 9th Class English Medium Unit 2 Online Test

Sr. #	Questions	Answers Choice
1	Atom is electrically	Positive particle Negaitve particle Neutral particle None of these
2	Number of protons in the nucleus of an atom is called.	Atomic number Mass Number Mass Unit Electron Number
3	Number of neurtons in ²⁷M₁₃are	13 14 27 15
4	How many electrons can be accommodated at the most in the third shell of the elements.	8 10 18 32
5	The removal of electron from a neutral atom gives rise to.	Molecular anion Anion Cation Molecular Cation
6	d- subshell can accommodate maximum electrons.	2 6 10 14
7	An element has 5 electrons in M shell. Its tomic number is.	5 10 15 20
8	N-shell contains number of subshells.	1 3 4 2
9	How many subshells are there in M shell?	2 4 3 5
10	Whcih subshells are present in L - shell?	S and P Only s -sub shell Only p - sub shell Sub shell
11	Number of electrons that an be accomodated in f - subshell	6 10 2 14
12	How many electons can be accommodated in S subshell?	2 6 14 10