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प्रश्न
A part of modern periodic table is given below. On its basis, answer the following questions:
| Group No. → | 1 | 2 | 13 | 14 | 15 | 16 | 17 | 18 |
| Period ↓ | ||||||||
| 2 | A | B | ||||||
| 3 | E | D | F | C |
Write the molecular formula of the compound formed by the combination:
E and B
उत्तर
Element E belongs to group 1 of the periodic table; hence it shows a valency of 1.
Element B belongs to group 16 of the periodic table and shows a valency of 2.
So the formula of the compound formed will be E2B.
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संबंधित प्रश्न
What is a period in a periodic table?
Name the scientist who stated the modern periodic law.
How many groups and periods does the modern periodic table have?
Name two elements in Alkaline earth metals.
Name two elements in each case:
Actinides
Name the type of elements which have one electron short of octet.
Answer the following in respect of element `31/15 P `
To which group and period does it belong?
Write a short note.
Structure of the modern periodic table.
Give the symbol and valency of the following element and radical.
Aluminium
Which of the following statements about the Modern Periodic Table is correct:
