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प्रश्न
Select the correct answer from the options given below.
The most reactive halogen from group 17.
विकल्प
chlorine
fluorine
bromine
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उत्तर
fluorine
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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,
Consider the following elements: Be, Li, Na, Ca, K. Name the elements of (a) same group (b) same period.
Name two elements of each group.
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
Name and state the following with reference to the elements of the first three periods of the periodic table.
Group whose elements have zero valencies.
Give reason:
Alkali metals are kept in an inert solvent.
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
Write a short note on the following type of element –
alkali metals
‘The periodic table contains elements methodically grouped together’.
State the following:
The group which contains highly reactive electronegative non-metals including chlorine.
