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प्रश्न
Fill in the following blank with suitable word:
Group 17 elements are known as ...............
उत्तर
Group 17 elements are known as halogens.
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संबंधित प्रश्न
Fill in the blank:
The modern periodic table consists of ……………. periods.
How does the metallic character of elements in Modern Periodic Table vary on moving from left to right in a period, and (ii) down a group?Give reason to justify your answer.
Is it possible to have an element having atomic number 1.5 placed between hydrogen and helium?
How does the chemical reactivity of alkali metals vary on going in group 1 of the periodic table?
State whether the following statement is true or false:
On going down in a group of the periodic table, the number of valence electrons increases.
Explain why All the elements of a group have similar chemical properties.
Name the scientist who stated the modern periodic law.
Name the type of elements which have two electrons in the outermost orbit.
How will the tendency to gain electrons change as we go from left to right across a period? Why?
If an element X is placed in group 14, what will be the formula and the nature of bonding of its chloride?
