Advertisements
Advertisements
प्रश्न
Name the type of elements which have one electron short of octet.
Advertisements
उत्तर
Halogens
APPEARS IN
संबंधित प्रश्न
Name two elements you would expect to show chemical reactions similar to magnesium. What is the basis for your choice?
In the Modern Periodic Table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21, and 38. Which of these have physical and chemical properties resembling calcium?
Compare and contrast the arrangement of elements in Mendeleev’s periodic Table and the Modern Periodic Table.
State how the valency of elements varies in a group of the periodic table?
Explain why, the first period of the periodic table has only two elements whereas second period has eight elements
What are the groups in a periodic table? Give two characteristics of each.
Name the type of elements which have outermost shell complete.
What is the number of elements in the 1st period?
Answer the following question.
How it can be proved that the basic structure of the Modern Periodic Table is based on the electronic configuration of atoms of different elements?
Which of the following elements will form an acidic oxide?
