Account for the following: (1) All the elements of the same group have

1.	Account for the following: (1) All the elements of the same group have similar properties. (2) The noble gases were discovered late .
Answer» Your answer is 1. All the ELEMENT in same GROUP have same PROPERTIES because they have ARRANGED the element of same properties in same group . 2. The noble GAS has been discovered late because it is an extermily unreactive gas .

Account for the following: (1) All the elements of the same group have similar properties. (2) The noble gases were discovered late .

Answer»

Your answer is

1. All the ELEMENT in same GROUP have same PROPERTIES because they have ARRANGED the element of same properties in same group .

2. The noble GAS has been discovered late because it is an extermily unreactive gas .