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प्रश्न
Match the metallic elements – with their correct symbols Metallic elements
| Metallic elements | Symbol |
| (a) Potassium | (1) Ca |
| (b) Sodium | (2) Zn |
| (c) Calcium | (3) Pb |
| (d) Magnesium | (4) Hg |
| (e) Zinc | (5) Cu |
| (f) Aluminum | (6) Au |
| (g) Iron | (7) K |
| (h) Lead | (8) Fe |
| (i) Copper | (9) Al |
| (j) Mercury | (10) Na |
| (k) Silver | (11) Mg |
| (l) Platinum | (12) Pt |
| (m) Gold | (13) Ag |
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उत्तर
| Metallic elements | Symbol |
| (a) Potassium | K |
| (b) Sodium | Na |
| (c) Calcium | Ca |
| (d) Magnesium | Mg |
| (e) Zinc | Zn |
| (f) Aluminum | Al |
| (g) Iron | Fe |
| (h) Lead | Pb |
| (i) Copper | Cu |
| (j) Mercury | Hg |
| (k) Silver | Ag |
| (l) Platinum | Pt |
| (m) Gold | Au |
संबंधित प्रश्न
An element which can exhibit valencies of 2, 4 and 6 can be :
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
K1+ Cl1-
Give the symbol of the following element:
Boron
Give the symbol of the following element:
Phosphate
State the valency of the following metallic element and write symbol with the valency
Calcium
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Nitrate
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Bisulphate
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Aluminate
State why the molecular formula of zinc carbonate is ZnCO3 .
The first letter of a symbol is always written as a ______ letter and the second letter as a ______ letter.
