Advertisements
Advertisements
प्रश्न
What is the number of elements in the 1st period?
एक पंक्ति में उत्तर
Advertisements
उत्तर
There are two elements in the first period.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Explain why All the elements of a group have similar chemical properties.
Name two elements in Inert gas.
Write a short note.
Position of isotopes in the Mendeleev’s and the modern periodic table.
Give the chemical formula of sodium hydroxide
Distinguish between:
Group 17 - Group 18
Which of the following is the outermost shell for elements of period 2?
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?
Spot the error:
The elements of group 13 are called the carbon family.
An element has the atomic number 12.
- Write the electric configuration.
- To which group and period does it belong.
Match the atomic number with the following:
A rare gas.
