Please ans question 18
18. a) Illustrate the postulates of Neil Bohr to explain the model of an atom.
b) Identify the element, write electronic configuration and number of neutrons present in the atom represented by
OR
a) Illustrate observations and conclusion drawn by Rutherford after conducting Gold foil experiment with the help of diagram.
b) Atomic number of an element is 17 . Identify the element and mention Its valency.
Kindly find below the similar link to your asked query.
a) https://www.meritnation.com/ask-answer/question/can-you-explain-bohr-model-of-an-atom-simplified/structure-of-the-atom/3557147
b) atomic no. = no. of protons = 13
Thus, electronic configuration = 2,8,3
Element is Aluminium.
no. of neutrons = mass no. - no. of protons = 27-13 = 14
Regards
a) https://www.meritnation.com/ask-answer/question/can-you-explain-bohr-model-of-an-atom-simplified/structure-of-the-atom/3557147
b) atomic no. = no. of protons = 13
Thus, electronic configuration = 2,8,3
Element is Aluminium.
no. of neutrons = mass no. - no. of protons = 27-13 = 14
Regards