Advertisements
Advertisements
प्रश्न
Give the symbol and valency of the following element and radical.
Bisulphite
उत्तर
| Element/Radical | Symbol | Valency |
| Bisulphite | \[\ce{HSO3}\] | one |
APPEARS IN
संबंधित प्रश्न
What is periodicity in properties of elements with reference to the Modern Periodic Table?
How would the tendency to gain electrons change on moving from left to right in a period of the periodic table?
In the modern Periodic Table, why does cobalt with higher atomic mass of 58.93 appear before nickel having lower atomic mass of 58.71?
From the standpoint of atomic structure, what determines which element will be the first and which the last in a period the periodic table?
What are the periods in a periodic table? Give two characteristics of each.
Consider the following elements:
20Ca, 8O, 18Ar, 16S, 4Be, 2He
Which of the above elements would you expect to be:
(i) very stable?
(ii) in group 2 of the periodic table?
(iii) in group 16 of the periodic table?
Name the type of elements which have two outermost shell incomplete.
What is the symbol of the element Tungsten?
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 |
Which of the element is a Noble gas?
Name the metalloids in the first twenty elements.
