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प्रश्न
The symbol of a metal element which is used in making thermometers is :
पर्याय
Ag
Hg
Mg
Sg
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उत्तर
Hg
The symbol of the metal used in making thermometers is Hg (Mercury).
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संबंधित प्रश्न
Write the names of following elements Na, C, Kr, U, Ra, Fe, Co.
If the symbol for Cobalt, Co, were written as CO, what would be wrong with it?
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 |
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Ca2+ NO31-
Give the symbol of the following element:
Arsenic
Give the symbol of the following element:
Sodium
State the type of element for the following:
Sulphur
Write the radical of the following valency:
Sulphate
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).
Carbonate
Write the symbols for the following elements.
- Oxygen
- Gold
- Calcium
- Cadmium
- Iron
