Advertisements
Advertisements
प्रश्न
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Ca2+ NO31-
Advertisements
उत्तर
Ca2+ NO31-
Steps
Formula = Ca(NO3)2
संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
The atomic number of an element X is 13. What will be the number of electrons in its ion X3+ ?
Write the radical of the following valency:
magnesium
Give the formula of the following gas:
Ammonia
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Tin
write symbol with the variable valency
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).
Permanganate
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).
Sulphate
Fill in the blank with the correct word from the options given below:
A symbol represents a short form of a / an ________.
Antimony has the highest tensile strength.
Which letter is never used in any element symbol?
