Chemistry
What is the main characteristic of the last element in each period of the Periodic Table? What is the general name of such elements?
Related Questions
Name the (i) metals (ii) metalloids and (iii) non-metals in the first twenty elements.
Fluorine, Chlorine and Bromine are put in one group on the basis of their similar properties.
(i) What are those similar properties ?
(ii) What is the common name of this group or family ?
According to atomic structure, what determines which element will be the first and which will be the last in a period.
How do the following vary on moving from left to right in the third period of the periodic table : (i) valence electrons and (ii) valency