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प्रश्न
Select the correct answer from the choice given below.
The type of element-phosphorus
विकल्प
metallic
non-metallic
noble gas
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उत्तर
non-metallic
संबंधित प्रश्न
Give two symbols which have been derived from the "English names" of the elements.
What do the following symbol stand for?
H
Explain the terms 'valency' and 'variable valency'.
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
State the type of element for the following:
Copper
Write the radical of the following valency:
Calcium
Write the radical of the following valency:
Potassium
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).
Chloride
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).
Permanganate
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
