Advertisements
Advertisements
प्रश्न
State the characteristics which remain similar in moving down in a group of the periodic table.
Advertisements
उत्तर
Character that remains similar is physical and chemical properties, i.e. The alkali metal (Group 1 - A) are very reactive Li < Na < K, Rb < Cs reactivity increases. Halogen atoms are also very reactive.
APPEARS IN
संबंधित प्रश्न
What is meant in the periodic table by a group?
What are the following group known as?
Group 17
Write the electronic configuration of the first two alkaline earth metals.
How many electrons do inert gases have in their valence shells?
Name the gas used in:
Filling balloons
Name the gas used in:
Light bulbs
‘The periodic table contains elements methodically grouped together’.
Name or state following with reference to the element of the first three periods of the periodic table.
An alkaline earth metal in period 3.
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
