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प्रश्न
State whether the following statement is true or false:
The symbol of element cobalt is CO.
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उत्तर
False. The symbol for the element Cobalt is Co, as the second letter of the symbol of an element has to be in the lower case.
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संबंधित प्रश्न
Give the symbol and the number of atoms of the following elements present in carbon dioxide.
Give the symbol and the number of atoms of the following elements present in zinc chloride.
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Ca2+ NO31-
Give the symbol of the following element:
Boron
State the type of element for the following:
Sodium
State the type of element for the following:
Aluminium
State what is meant by the term ‘activity series of metals’.
Write the radical of the following valency:
Bromine [Bromide]
______ of some elements are derived from Latin or Greek names of the elements.
Mass of one atom of oxygen is
