Classification ...

Lithium shows diagonal relationship with which element?

If X is a nonmetal, its oxide X₂O₃ is expected to be a/an ______ oxide.​

Consider the following reaction 2A + 3F₂ → 2AF_3.

What is the formula for the reaction product if we substitute iodine for fluorine?​

The nature of bonds in the compounds of carbon is mostly:

Which of these compounds is a basic oxide?​

Amongst the elements of group 17, fluorine is most reactive owing to it’s:

If x denoted the number of valence electrons of a representative element then its valence is equal to:

How many valence electrons does a carbon atom have?

Aluminium belongs to group 13 and sulphur belongs to group 16 of the periodic table. The compound formed by aluminum and sulphur is:​

Which pair of elements from different groups resembles each other the most in their chemical properties?​

Which element acts as strong reducing agent?

Oxygen exhibits +2 oxidation state in the compound:​

On moving down a group the number of valence electrons:

In Na₂O oxidation state of sodium is:

Among the following oxides, neutral oxide is:​

Sodium forms which types of oxides?

The element which shows only negative oxidation state/s among following elements is:

The valence of sodium with atomic number 11 is:

The maximum covalence of the first member of each group is:

Group 2 elements are: