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प्रश्न
Give the symbol and valency of the following element and radical.
Hydrogen
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उत्तर
| Element/Radical | Symbol | Valency |
| Hydrogen | H | one |
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संबंधित प्रश्न
Name two elements in each case:
Transition element
Name two elements in each case: Lanthanides
Name the type of elements which have one electron short of octet.
Name an alkali metal in period 3 and halogen in period 2.
State the modern periodic law for the classification of elements. How many (i) groups and (ii) periods are there in the modern periodic table?
Give the chemical formula of carbonic acid
Fill in the blank:
The element lithium in the Modern Periodic Table with valency 1+ belongs to the group ______.
What are the elements.
______ forms the basis of the modern periodic table.
Choose an element from period 3 of modern periodic table that matches the description given below in instance. Give a reason for your choice.
It has same valency as Lithium.
