Chemistry
What would be the reason for an element to have atoms with differing mass numbers.
Related Questions
State the relation between the number of protons and the number of electrons in an atom.
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of :
(i) aluminium
(ii) phosphorus
Copy and complete the following table relating to the atomic structure of some elements :
Element Atomic No. Mass No. No. of Protons No. of Neutrons No. of Electrons Beryllium 4 9 Fluorine 9 10 Sodium 12 11 Aluminium 27 13 Phosphorus 31 15 Represent each of the following :
(i) a proton 'p'
(ii) an electron 'e'
(iii) a neutron 'n'
in terms of it's symbols showing the subscript and superscript values.