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प्रश्न
Name three metals whose symbols are derived: from their Latin names.
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उत्तर
| K | kalium (potassium) |
| Fe | Ferrum (iron) |
| Na | Natrium (sodium) |
are symbols of metals derived the names from their Latin names.
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संबंधित प्रश्न
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
Fill in the blank:
Symbol represents _____ atom(s) of an element.
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 |
Give the symbol and the number of atoms of the following elements present in zinc chloride.
Elements are mainly classified into metals and non-metals. State six properties of metals which differ from non-metals.
Give the symbol of the following element:
Zinc
Write the radical of the following valency:
Calcium
State why the molecular formula of zinc carbonate is ZnCO3 .
Antimony has the highest tensile strength.
