Periodic Law And Intro To Periods And Groups

Characteristics of Periods and Groups

(a) What is meant by (i) a group and (ii) a period in a periodic table? (b) How many periods and groups are there in the long form periodic table? (c) Give two examples each of (i) group 1 elements (ii) group 17 elements (iii) group 18 elements.

Thermodynamics - Gas Laws Intro