Question Text
Question 2 :
An atom with 3 protons and 4 neutrons will have a valency of
Question 3 :
How many electrons are there in the L shell of chlorine atom ?
Question 4 :
The number of electrons in an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of the element?
Question 5 :
How many electrons are there in the L shell of chlorine atom ?
Question 7 :
Which of the following scientist identified the 'Atomic number' in the structure of an atom ?
Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d2b2f59b460d7261f60c.JPG' />
Find out the valency of atoms represented by the figure.
Question 9 :
Which of the following correctly represent the electronic distribution in the Mg atom?
Question 10 :
An element X has a mass number 4 and atomic number 2. Write the valency of this element?