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प्रश्न
State the type of element for the following:
Arsenic
विकल्प
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Metalloid
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संबंधित प्रश्न
Which particular atom of the above element is used for this purpose ?
Give the symbol of the following element:
Iodine
State the type of element for the following:
Mercury
State the type of element for the following:
Fluorine
Write the chemical formula of the following:
aluminium 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).
Bromide
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
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt and O; the element which forms a polyatomic molecule is ________ and which is liquid at room temperature is ________.
What does the symbol '(aq.)' present in a chemical equation, mean?
How many elements are known at present?
