Advertisements
Advertisements
प्रश्न
Write the radical of the following valency:
Phosphate
विकल्प
1+
2+
3+
1−
2−
3−
उत्तर
3−
APPEARS IN
संबंधित प्रश्न
The atomic number of an element X is 13. What will be the number of electrons in its ion X3+ ?
What is a symbol? What information does it convey?
Fill in the blank:
Symbol represents _____ atom(s) of an element.
Match the symbols of metallic elements – with their correct combining power or capacity.
(a) K
(b) Zn
(c) Al
(d) Na
(e) Ca
Combining power or capacity – A : 3 ; B : 2 ; C : 1. (positive valencies)
State which element exists in the highest percentage in earth’s crust.
Give the symbol of the following element:
Antimony
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Silver
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).
Iodide
The chemical symbol for sodium is
What is the significance of the symbol of an element?
