Advertisements
Advertisements
प्रश्न
What do you understand by typical elements?
उत्तर
The third period elements, Na, Mg, Al, Si, P and Cl summarize the properties of their respective groups and are called typical elements.
संबंधित प्रश्न
Is it possible to have an element having atomic number 1.5 placed between hydrogen and helium?
How does the chemical reactivity of the halogens vary on going in group 17 of the periodic table?
Name two elements in Alkaline earth metals.
Name the type of elements which have one electron short of octet.
What is the number of elements in the 3rd period, of the modern periodic table?
Name an element of group 18 which can form compounds.
Answer the following question.
Define the atomic size. Give its unit of measurement. In the modern periodic table what trend is observed in the atomic radius in a group and a period and why is it so?
The K and L shells of the elements Na and Mg contain electrons.
Distinguish between:
Group 17 - Group 18
How does the property vary in periods and in groups?
