Advertisements
Advertisements
प्रश्न
Give the symbol and valency of the following element and radical.
Hydrogen
Advertisements
उत्तर
| Element/Radical | Symbol | Valency |
| Hydrogen | H | one |
APPEARS IN
संबंधित प्रश्न
Which element has two shells, both of which are completely filled with electrons?
Correct the statement.
Transition elements are placed at extreme right of the periodic table.
Name the type of elements which have two outermost shell incomplete.
The modern periodic table is divided into which blocks?
Distinguish between:
Group 17 - Group 18
Explain structure of modern periodic table in short.
Identify gas A in the following experiment.

The arrangement of elements in the Modem Periodic Table is based on their ______
In the modern periodic table, elements are arranged according to their ______
Select the appropriate options and complete the following paragraph:
(metals, non-metals, metalloids, four, seven, s-block, p-block, d-block, f-block).
On the basis of electronic configuration, elements in the modern periodic table are classified Into ______ blocks. Groups 1 and 2 elements are included in ______ and all these elements are metals. (except Hydrogen). Group 13 to 18 elements are included in ______. This block contains metals, non-metals and metalloids. Group 3 to 12 elements are included in ______ and all the elements are ______ elements shown at the bottom of the periodic table i.e. Lanthanides and Actinides constitute ______ and all these elements are metals.
