Advertisements
Advertisements
प्रश्न
What are groups and periods in the modern periodic table?
टिप्पणी लिखिए
Advertisements
उत्तर
- The horizontal rows are called periods. There are seven periods in the periodic table.
- Vertical columns in the periodic table starting from top to bottom are called groups. There are 18 groups in the periodic table.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
What is periodicity in properties of elements with reference to the Modern Periodic Table?
Why do all the elements of the same group have similar properties?
What is a period in a periodic table?
Name two elements in Alkali metals.
Fill in the blank:
The horizontal rows in the periodic table are called _____________.
Give the symbol and valency of the following element and radical.
Hydroxide
Give the chemical formula of ammonium sulphate
Which of the following elements would lose an electron easily?
Spot the error:
There are 5 periods and 17 groups in the modern periodic table.
Give reason for the following:
Inert gases do not form ion.
