Question

Q.5. (a) The following data represents the distribution of electrons, protons and neutrons in atoms of four elements A, B, C, D. Element A Protons 10 B 11 12 C 12 12 D 13 14 Electrons 10 10 11 12 13 Answer the following questions: (i) Write the electronic distribution in atoms of elements A and D. (ii) Element A is an inert gas. why ? (iii) What is the valency of element C? (b) The average atomic mass of a sample of element X is 16.2 u. What are the percentages of isotopes of 16X, and X, respectively?​

Answer 1

Answer:

Q.5. (a) The following data represents the distribution of electrons, protons and neutrons in atoms of four elements A, B, C, D. Element A Protons 10 B 11 12 C 12 12 D 13 14 Electrons 10 10 11 12 13 Answer the following questions: (i) Write the electronic distribution in atoms of elements A and D. (ii) Element A is an inert gas. why ? (iii) What is the valency of element C? (b) The average atomic mass of a sample of element X is 16.2 u. What are the percentages of isotopes of 16X, and X, respectively?

sorry I didn't know