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प्रश्न
Give the symbol of the following element:
Sulphur [sulphide]
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उत्तर
| Name | Symbol |
| Sulphur [sulphide] | S |
संबंधित प्रश्न
Which particular atom of the above element is used for this purpose ?
The symbols of the elements cobalt, aluminium, helium and sodium respectively written by a student are as
follows. Which symbol is the correct one ?
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
Match the symbols of metallic elements – with their correct combining power or capacity.
(a) K
(b) Zn
(c) Al
(d) Na
(e) Ca
Combining power or capacity – A : 3 ; B : 2 ; C : 1. (positive valencies)
Match the formulas of the following of bases with their correct names.
Bases – (a) NaOH (b) KOH (c) Ca(OH)2 (d) Zn(OH)2
Names – (1) Potassium hydroxide (2) Zinc hydroxide (3) Aluminium hydroxide (4) Calcium hydroxide (5) Sodium hydroxide
Give the formula of the following gas:
Sulphur dioxide
State the valency of the following metallic element and write symbol with the valency
Aluminium
Fill in the blank with the correct word from the options given below:
A symbol represents a short form of a / an ________.
Which of the following would weigh the highest?
How many elements are known at present?
