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प्रश्न
Name the gas used in:
Bright colour advertising light works
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उत्तर
Neon
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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,
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.
Take any one alkali metal and write its reaction with (i)oxygen (ii)water (iii)acid.
Name the method by which alkali metals can be extracted.
How do alkaline earth metals occur in nature?
Comment on the (i) reactivity (ii) colour (iii) physical state of group 17 elements.
Give reason:
Alkali metals and halogens do not occur free in nature.
Give a reason for the following:
Noble gases do not form compounds readily.
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
