Advertisements
Advertisements
Question
Write the radical of the following valency:
Sodium
Options
1+
2+
3+
1−
2−
3−
Advertisements
Solution
1+
APPEARS IN
RELATED QUESTIONS
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Magnetic separation
The atomic number of an element X is 13. What will be the number of electrons in its ion X3+ ?
Two elements X and Y have valencies of 5 and 3, and 3 and 2, respectively. The elements X and Y are most likely to be respectively :
What is a symbol? What information does it convey?
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
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:
Arsenic
Write the chemical formula of the following:
aluminium chloride
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Iron
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).
Nitrate
