Classification ...

The element with lowest ionization energy among the following is:

Isoelectronic species have:

The cause of periodicity of properties of elements is due to the repetition of similar:

Tendency of an atom in a molecule to attract the shared pair of electron towards itself is called:

Identify the smallest ion among the following:​

Na⁺ is smaller than Na atom because:

Electron gain enthalpy is most negative for:

Among the following the element with highest first ionization energy is:

Which of the following elements will have the largest atomic radius?

For noble gases radius is measured as:

The electronegativity of following elements increases in the order of?

Which of following statement is incorrect regarding ionization enthalpy:

Which of the following elements has the largest ionisation enthalpy?

Sum of atomic mass of all atoms present in one molecule of a molecular compound is

What happens to atomic radius on going from left to right in a period in a periodic table?

When an electron is added to neutral gaseous atom to convert it into a negative ion, the enthalpy change accompanying the process is called:

Which of the following is isoelectronic with F^–?​

Among the following elements element with highest ionisation enthalpy is:

The largest atomic radius among the following is of:

Electron gain enthalpy values of noble gases are positive because: