Blog

Which of the following has the highest binding energy?

The total number of unpaired electrons in an atom of atomic number 24 when it carries a +3 charge

The size of the atoms and ions go on decreasing in periods of s and p block elements because of

"X" compound absorbs yellow colour light, it will look like it

Choose the correct statement

II-A elements on reaction with oxygen produce their oxides and these oxides are very stable due to their.

Which of the following process is endothermic?

Which of the following group has the highest electrical conductivity

Which is the most stable electronic configuration of 1st transition series.

Zn and Cd are non-typical transition elements and they belong to the _______ group.

Which of the following transition element show only one oxidation state?

Sodium reacts with water more vigorously than lithium because

Choose the incorrect statement

How many non-metals are present in the s-block?

Which of the following is correct regarding the IA elements in the group?

The melting and boiling point of silicon is highest in the 3rd period. This is because of

The electronegativity value of group IA decreases from top to bottom due to

Paramagnetic behaviour of an atom, ion or molecule is due to the presence of

Which of the following group elements are strong reducing agents?

Ionization energy increases from left to right. In which case the highest amount of energy is required to remove valence shell electrons.

How many s-orbital electrons are there in phosphorus?

In the case of melting points and boiling points which element will be present at the top of the graph

Which property of alkaline earth metals decreases with the increase in atomic number

Which of the following is the correct decreasing order of basic character of alkali metal oxides?

Which of the following element in reaction with oxygen produce ionic oxides?