Advertisements
Advertisements
प्रश्न
What is a symbol? What information does it convey?
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
The atomic number of an element X is 13. What will be the number of electrons in its ion X3+ ?
Give the symbol and the number of atoms of the following elements present in water.
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
Elements are mainly classified into metals and non-metals. State six properties of metals which differ from non-metals.
Give the symbol of the following element:
Lead
Give the symbol of the following element:
Carbonate
Write the radical of the following valency:
Carbonate
State the valency of the following metallic element and write symbol with the valency
Calcium
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.