Question 1 What are metalloids. Give example? Question 2 Write few characteristics of metals? Question 3 write few characteristics of non-metals? Question 4 Give examples of metals? Question 5 Give examples of non-metals? Question 6 How many metals are known to us? Question 7 How many non-metals are known to us? Characteristics of Metals (1) Metals are … [Read more...] about Characteristics of Metals and Non-Metals
Material:Metals and Non-metals
Elements
Question 1 What are elements? Give example? Question 2 Define the term atom? Question 3 Name 2 types of elements? Elements A substance which cannot be broken down into two or more simpler substances by chemical reactions is called an element. For Example : Iron, hydrogen, helium, oxygen ,phosphorus, sulphur, chlorine, bromine, gold, silver, mercury, aluminium … [Read more...] about Elements