Advertisements
Advertisements
Question
What is the main characteristic of the last elements in the periods of a periodic table? What is the general name of such elements?
Advertisements
Solution
The last elements of each period have their outermost shell complete, i.e. 2 or 8 electrons. Main characteristics of the last element in each period of the Periodic Table are:
- They have valency equal to zero.
- They react under very special condition otherwise they don't react.
- They have stable gas electronic configuration.
- The general name is inert gases or noble gases.
APPEARS IN
RELATED QUESTIONS
Write the name from the description.
The family of metals having valency two.
Write the names from the description.
Non-metals in the third period.
Write a short note on the following type of element –
transition elements
Write a short note on the following type of element –
normal elements
Name or state following with reference to the element of the first three periods of the periodic table.
The periods which contain the inner transition elements.
If the electronic configuration of an element is 1s2 2s2 2p6 3s2 3p1’then it will
occupy ______ block of the periodic table.
d-block elements are called transition elements.
Group 3-12 elements in the modern periodic table are called d block elements.
Answer the following questions related to the modern periodic table.
Which block elements are known as transition elements?
Answer the following questions related to the modern periodic table.
How are elements placed around the zig-zag line in the p-block of the periodic table?
