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प्रश्न
Name the element used as a standard for atomic mass scale.
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उत्तर
Carbon is used as a standard in the atomic mass scale.
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संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
What do the following symbol stand for?
2H
Fill in the blank:
Symbolic expression for a molecule is called _____.
Give the symbol and the number of atoms of the following elements present in carbon dioxide.
Give the symbol of the following element:
Lead
State the type of element for the following:
Mercury
Write the radical of the following valency:
Sodium
Give the formula of the following acid:
Hydrochloric
Give the formula of the following gas:
Sulphur dioxide
State the valency of the following metallic element and write symbol with the valency
Aluminium
