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प्रश्न
A student wants to have 3.011 × 1023 atoms each of magnesium and carbon elements. For this purpose, he will have to weigh :
पर्याय
24 g of magnesium and 6 g of carbon
12 g of carbon and 24 g of magnesium
20 g of magnesium and 10 g of carbon
12 g of magnesium and 6 g of carbon
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उत्तर
12g of magnesium and 6g of carbon
The student will have to weigh 12 g of Magnesium and 6 g of Carbon.
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संबंधित प्रश्न
Give two symbols which have been derived from the "English names" of the elements.
Name the elements represented by the following symbols :
Hg, Pb, Au, Ag, Sn
The symbol of a metal element which is used in making thermometers is :
Write the full form of IUPAC. Name the elements represented by the following symbols:
Au, Pb, Sn, Hg
Give the symbol and the number of atoms of the following elements present in carbon dioxide.
Give the symbol of the following element:
Calcium
State the type of element for the following:
Copper
Give the symbol of the following element:
Magnesium
State the valency of the following metallic element and write symbol with the valency
Zinc
What does the symbol '(s)' present in a chemical equation, mean?
