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प्रश्न
State the type of element for the following:
Sodium
विकल्प
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Metal
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संबंधित प्रश्न
Write the names of following elements Na, C, Kr, U, Ra, Fe, Co.
Give two symbols which have been derived from the " Latin names" of the elements.
In the chemical word equation –
Zinc + Sulphuric acid → Zinc sulphate + Hydrogen.
State the reactants and products of the above reaction. What does the arrow indicate?
Give the symbol of the following element:
Carbon
Give the symbol of the following element:
Bromine [bromide]
State what is meant by the term ‘activity series of metals’.
Give the symbol of the following element:
Magnesium
Write the radical of the following valency:
Phosphate
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).
Phosphate
