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प्रश्न
Give the symbol and valency of the following element and radical.
Bisulphite
उत्तर
| Element/Radical | Symbol | Valency |
| Bisulphite | \[\ce{HSO3}\] | one |
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संबंधित प्रश्न
Which of the following statement about the modern periodic table is correct?
(a) It has 18 horizontal rows known as periods.
(b) It has 7 vertical columns known as periods.
(c) It has 18 vertical columns known as groups.
(d) It has 7 horizontal rows known as groups.
Consider the following elements:
Na, Ca, Al, K, Mg, Li
Which of these elements belong to the same group of the periodic table?
What is the usual number of valence electrons in the atoms of the last element in a period?
What are the periods in a periodic table? Give two characteristics of each.
State the term
The tabular arrangement of elements in horizontal rows and vertical columns _________
Which of the following statements about the Modern periodic table is correct?
The modern periodic table is divided into which blocks?
Which of the following statements about the Modern Periodic Table is correct:
Arrange the following elements in the increasing order of their metallic character
| Mg, | Ca, | K, | Ge, | Ga |
Spot the error:
There are 5 periods and 17 groups in the modern periodic table.
