Advertisements
Advertisements
प्रश्न
Give the symbol and valency of the following element and radical.
Potassium
Advertisements
उत्तर
| Element/Radical | Symbol | Valency |
| Potassium | K | one |
APPEARS IN
संबंधित प्रश्न
Fill in the following blank with suitable word:
Group 18 elements are called ...............
What happens to the number of valence electrons in the atoms of elements as we go down in a group of the periodic table?
The atomic numbers of the three elements X, Y and Z are 2, 6 and 10 respectively.
(i) Which two elements belong to the same group?
(ii) Which two elements belong to the same period?
Give reasons for your choice.
Name the scientist who stated the modern periodic law.
Name the type of elements which have one electron short of octet.
How will the tendency to gain electrons change as we go from left to right across a period? Why?
Name and state the following with reference to the elements of the first three periods of the periodic table.
A covalent compound formed by an element in period 2 and a halogen.
How were elements arranged in the long form of the periodic table or the Modern Periodic Table?
The scientist who propounded the modern periodic law is ______.
An element has the atomic number 12.
- Write the electric configuration.
- To which group and period does it belong.
