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प्रश्न
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 ________.
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उत्तर
From the elements – He, Br, Pt and O; the element which forms a polyatomic molecule is O and which is liquid at room temperature is Br.
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संबंधित प्रश्न
State the type of element for the following:
Lead
State the type of element for the following:
Platinum
State the most reactive and the least reactive metal from the following – Zn, Ag, Na, Fe, Cu, Pb.
Write the radical of the following valency:
Aluminium
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).
Hydroxide
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).
Aluminate
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 is meant by the term ‘symbol’?
Give the qualitative and quantitative meaning of the term ‘symbol’.
What does a chemical symbol represent?
