Advertisements
Advertisements
प्रश्न
What is a symbol? What information does it convey?
Advertisements
उत्तर
A symbol is the short form which stands for the atom of a specific element or the abbreviations used for the names of elements.
It represents a specific element.
It represents one atom of an element.
A symbol represents how many atoms are present in its one gram (gm) atom.
It represents the number of times an atom is heavier than one atomic mass unit (amu) taken as a standard.
APPEARS IN
संबंधित प्रश्न
Write the full form of IUPAC. Name the elements represented by the following symbols:
Au, Pb, Sn, Hg
What is meant by atomicity? Name the diatomic element.
State what a chemical formula denotes.
State which element exists in the highest percentage in earth’s crust.
State which element exists in the highest percentage in atmosphere.
Write the radical of the following valency:
Zinc
Give the formula of the following acid:
Sulphuric
Give the formula of the following gas:
Nitrous oxide
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).
Bisulphite
What does the symbol '⇌' present in a chemical equation, mean?
