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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,
Consider the following elements: Be, Li, Na, Ca, K. Name the elements of (a) same group (b) same period.
What are the following group known as?
Group 18
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.
Name the alkali metals, How many electron(s) they have in their outermost orbit.
How do alkaline earth metals occur in nature?
Comment on the (i) reactivity (ii) colour (iii) physical state of group 17 elements.
Name the gas used in:
Filling balloons
Write a short note on the following type of element –
halogens
