Question

State rules of Bohr's and Bury. Draw diagram indicating the distribution of electrons in the atom of the elements having atomic number 9, 16, 19 .Give the names and symbols of these elements ?​

Answer 1

Explanation:

Mass, in physics, quantitative measure of inertia, a fundamental property of all matter. It is, in effect, the resistance that a body of matter offers to a change in its speed or position upon the application of a force. The greater the mass of a body, the smaller the change produced by an applied force.