(A) +2
(B) +6
(C) +7
(D) +14
Tag: Chemistry mcqs
Tyndall effect is due to?
(A) Non scattering of beam of light
(B) Scattering of beam of light
(C) Blockage of beam of light
(D) Passing through beam of light
Which gas diffuses fast?
(A) Helium
(B) Hydrogen
(C) Fluorine
(D) Chlorine
What is Octet rule?
(A) Description of eight electrons
(B) Pattern of electronic configuration
(C) Attaining of eight electrons
(D) Picture of electronic configuration
What is the atomic number of potassium?
(A) 17
(B) 18
(C) 19
(D) 21
Vertical columns in periodic table are called?
(A) Groups
(B) Rows
(C) Blocks
(D) Periods
Who gave the concept of Atom’s orbit?
(A) Neil Bohr
(B) Rutherford
(C) J.J. Thomson
(D) None of the above
What is the symbol of Barium?
(A) Bi
(B) Br
(C) B
(D) Ba