PERIODIC CLASSIFICATION OF ELEMENTS 1. An orderly arrangement of elements such that those elements having similarity in physical and chemical properties occur at regular intervals is called periodic classification of…
ATOMIC STRUCTURE SCIENTISTS AND THEIR DISCOVERIES: 1858 Plucker : Experiments with discharge tube. 1876 Goldstain : Gave the name cathode rays. 1879 Crookes : Found cathode rays have mass.…
1. The force of attraction that is binding, atoms or oppositely charged ions together is called chemical bonding. 2. There are two types of chemical bonding ionic and covalent bonding.…