Advertisements
Advertisements
प्रश्न
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
उत्तर
Most electronegative 17 [VIIA].
APPEARS IN
संबंधित प्रश्न
Name two elements of each group.
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.
Write the reactions of the first three alkaline earth metals with dilute hydrochloric acid.
How many electrons do inert gases have in their valence shells?
Comment on the (i) reactivity (ii) colour (iii) physical state of group 17 elements.
Name the gas used in:
Light bulbs
Name the gas used in:
Bright colour advertising light works
Give reason:
Alkali metals and halogens do not occur free in nature.
‘The periodic table contains elements methodically grouped together’.
Select the correct answer from the options given below.
The most reactive halogen from group 17.
