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प्रश्न
State the type of element for the following:
Chlorine
पर्याय
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Non-metal
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संबंधित प्रश्न
What is the significance of the symbol of an element ? Explain with the help of an example.
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Oxide
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
State the type of element for the following:
Aluminium
Write the chemical formula of the following:
Sodium bromide
Write the chemical formula of the following:
magnesium sulphate
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).
Iodide
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).
Dichromate
Which of the following would weigh the highest?
The first letter of a symbol is always written as a ______ letter and the second letter as a ______ letter.
