Advertisements
Advertisements
प्रश्न
______ and ______ are called inner transition elements.
Advertisements
उत्तर
Lanthanides and Actinides are called inner transition elements.
APPEARS IN
संबंधित प्रश्न
What is the significance of atomic number in the modern classification of elements? Explain with the help of an example.
Consider the following elements:
Na, Ca, Al, K, Mg, Li
Which of these elements belong to the same period of the periodic table?
Consider the following elements:
20Ca, 8O, 18Ar, 16S, 4Be, 2He
Which of the above elements would you expect to be:
(i) very stable?
(ii) in group 2 of the periodic table?
(iii) in group 16 of the periodic table?
Name two elements in halogens.
Name the type of elements which have one electron short of octet.
Give the symbol and valency of the following element and radical.
Potassium
Give the symbol and valency of the following element and radical.
Aluminium
What are the elements.
Write scientific reason.
There was ambiguity about the correct position of hydrogen in Mendeleev’s periodic table.
If an element X is placed in group 14, what will be the formula and the nature of bonding of its chloride?
