Advertisements
Advertisements
प्रश्न
State which element exists in the highest percentage in atmosphere.
Advertisements
उत्तर
Nitrogen (N) — 78%
APPEARS IN
संबंधित प्रश्न
Define: Compounds
Name the element used as a standard for atomic mass scale.
The scientist who proposed the first letter (or first letter and another letter) of the Latin or English name of
an element as its symbol, was :
The atomic number of an element X is 13. What will be the number of electrons in its ion X3+ ?
Fill in the blank:
Symbol represents _____ atom(s) of an element.
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 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).
Carbonate
What does the symbol '⇌' present in a chemical equation, mean?
Symbol of mercury is
Which letter is never used in any element symbol?
