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प्रश्न
State the type of element for the following:
Carbon
विकल्प
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Non-metal
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संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
Give the names and symbols of five familiar substances which you think are elements.
Give a reason why elements are tabulated in a table called the ‘Periodic table’.
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
K1+ Cl1-
State the type of element for the following:
potassium
Give the symbol of the following element:
Mercury
State the type of element for the following:
Oxygen
Select the correct answer to the statement given below:
An element present in the earth’s crust, atmosphere and the human body.
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
Define Alchemy.
