Chemistry
What would be the reason for an element to have atoms with differing mass numbers.
Related Questions
What is a proton ? What is the significance of the number of protons found in the atoms of each of the different elements.
What is the relation between the number of protons and the number of electrons in an atom.
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 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