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प्रश्न
Write the radical of the following valency:
Sodium
विकल्प
1+
2+
3+
1−
2−
3−
उत्तर
1+
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संबंधित प्रश्न
Name the element used as a standard for atomic mass scale.
Explain the terms ‘chemical formula’.
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Neon
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Aluminium
Give the symbol of the following element:
Phosphate
Write the radical of the following valency:
Sulphur [Sulphide]
Give the formula of the following acid:
Sulphuric
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).
Sulphate
