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प्रश्न
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Phosphate
उत्तर
Phosphate - M(PO4)
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संबंधित प्रश्न
Explain the significance of the symbol H.
Give the names and symbols of the first twenty elements of the periodic table.
Match the formulas of the following gases with their correct names :
Gases - (a) H2 (b) N2 (c) O2 (d) Cl2 (e) HCI (f) NH3 (g) CO (h) CO2 (i) SO2 (j) NO (k) NO2.
Names:
(1) Ammonia (2) Nitrogen Dioxide (3) Oxygen (4) Hydrogen (5) Nitrogen (6) Chlorine (7) Carbon Monoxide (8) Sulphur Dioxide (9) Nitrogen Monoxide (10) Carbon Dioxide (11) Hydrogen Chloride
State the type of element for the following:
Zinc
Write the radical of the following valency:
Aluminium
Give the formula of the following acid:
Nitric
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).
Oxide
What does a chemical symbol represent?
Which of the following would weigh the highest?
The first letter of a symbol is always written as a ______ letter and the second letter as a ______ letter.
