Advertisements
Advertisements
Question
Write the radical of the following valency:
Oxygen
Options
1+
2+
3+
1−
2−
3−
Solution
2−
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
Give two symbols which have been derived from the " Latin names" of the elements.
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Oxide
Explain the terms ‘chemical formula’.
State the type of element for the following:
Oxygen
State the type of element for the following:
Sulphur
State the type of element for the following:
Sodium
State the type of element for the following:
Radon
Write the radical of the following valency:
Calcium
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).
Bisulphite
