Advertisements
Advertisements
प्रश्न
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of its
Acetate
Advertisements
उत्तर
The valency of metal M is 3. So, the formulae are as follows:
Acetate - M(CH3COO)3
APPEARS IN
संबंधित प्रश्न
What is a symbol? What information does it convey?
If the symbol for Cobalt, Co, were written as CO, what would be wrong with it?
Match the non-metallic elements – with their correct symbols. Non-metallic elements are:
| Non-Metallic elements | Symbol |
| (a) Carbon | (1) O |
| (b) Chlorine | (2) I |
| (c) Oxygen | (3) Si |
| (d) Phosphorus | (4) C |
| (e) Hydrogen | (5) Cl |
| (f) Nitrogen | (6) P |
| (g) Iodine | (7) F |
| (h) Bromine | (8) H |
| (i) Fluorine | (9) S |
| (j) Silicon | (10) Br |
| (k) Sulphur | (11) N |
Match the noble gases – with their correct symbols:
| Noble gases | Symbols |
| (a) Helium | (1) Ar |
| (b) Neon | (2) Xe |
| (c) Argon | (3) Rn |
| (d) Krypton | (4) He |
| (e) Xenon | (5) Kr |
| (f) Radon | (6) Ne |
Match the symbols of non-metallic elements with their correct combining power or capacity.
(a) O
(b) S
(c) Cl
Combining power or capacity A : 3; B : 2; C : 1. (negative valencies)
Give the symbol of the following element:
Phosphorus
Write the chemical formula of the following:
magnesium oxide
Give the formula of the following gas:
Hydrogen chloride
The symbol of tungsten is _______.
Write the constituent elements and their symbols for the following compounds.
- Carbon monoxide
- Washing soda
