Question Text
Question 3 :
According to postulates of Bohr's atomic model, the electrons in atom move round the nucleus :
Question 8 :
The maximum number of electrons that can be accommodated in the outermost orbit is :
Question 10 :
In 1911, __________ came to the conclusion that the atom had a dense nucleus because most of the particles shot straight through, but some of the particles were deflected due to the dense nucleus of the gold atoms.
Question 11 :
Three elements A, B and C have 3, 4 and 2 electrons respectively in their outermost shell. Their valencies respectively are:<br/>
Question 13 :
It was found that electrons have negligible mass but have one unit of negative charge. Which of the following model satisfies this statement?
Question 15 :
According to drawback of Rutherford's structure of atom electron should fall in:
Question 16 :
Stability of an atom was successfully explained by Rutherford's atomic model.<br/>
Question 17 :
The combining capacity of one element with another is known as :