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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
The symbol of a metal element which is used in making thermometers is :
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Oxide
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
Give the symbol of the following element:
Zinc
State the type of element for the following:
Phosphorus
Write the radical of the following valency:
Sulphur [Sulphide]
Write the radical of the following valency:
Calcium
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).
Zincate
What is meant by the term ‘symbol’?
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
