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प्रश्न
State the characteristics which remain similar in moving down in a group of the periodic table.
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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.
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संबंधित प्रश्न
Arrange the Elements of Group 17 and Group 1 According to the Given Conditions.
Increasing order of atomic size,
What are the following group known as?
Group 18
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
Name the alkali metals, How many electron(s) they have in their outermost orbit.
Write the reactions of the first three alkaline earth metals with dilute hydrochloric acid.
Write the electronic configuration of the first two alkaline earth metals.
Name the gas used in:
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Write a short note on the following type of element –
halogens
‘The periodic table contains elements methodically grouped together’.
State the following:
The group which contains highly reactive electronegative non-metals including chlorine.
