Who was the founder of Nobel Peace prize?
a) Albert Einstien
b) Alfred Nobel
c) Washington
d) AulKalam
How many elements are present in the modern periodic table?
a) 92
b) 118
c) 112
d) 10
Elements combine together and form…….
a) atoms
b) molecules
c) isotopes
d) compounds
Who discovered atomic Number of an element?
a) Albert Einstien
b) Alfred Nobel
c) Washington
d) Moseley
When Moseley
discovered the atomic number?
a) 1886
b) 1890
c) 1910
d) 1913
Which of the following is used to arrange the elements in the periodic table?
a) atomic number
b) mass number
c) nucleon number
d) No. of isotopes
