Advertisements
Advertisements
प्रश्न
Name an element of group 18 which can form compounds.
उत्तर
Xenon or krypton from Group 18 can form compounds.
APPEARS IN
संबंधित प्रश्न
Compare and contrast the arrangement of elements in Mendeleev’s periodic Table and the Modern Periodic Table.
What is the significance of atomic number in the modern classification of elements? Explain with the help of an example.
Answer the following in respect of element `31/15 P`
Give its electronic configuration
Write a short note.
Structure of the modern periodic table.
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?
Give the symbol and valency of the following element and radical.
Sulphur [Sulphide]
The modern periodic table is divided into which blocks?
p-block is composed of groups 1 and 2.
State any five features of modern periodic table.
Compare the radii of two species X and Y. Give reasons for your answer.
- X has 12 protons and 12 electrons
- Y has 12 protons and 10 electrons
