Q. Electron has

View solution

Q. bond formed by elements of widely different electro negativities is

View solution

Q. Cationic radius decreases when effective nuclear charge on ion

View solution

Q. In comparison of electronegativity values increase in a period with decrease in (structure O)

View solution

Q. Amount of energy which is evolved in bind formation is

View solution

Q. After loss an electron potassium attains configuration of

View solution

Q. Electropositive elements are at a higher energy state then the

View solution

Q. Electron affinity of potassium atom is

View solution

Q. First ionization energy oxygen of is

View solution

Q. Ionization energies is influenced by shielding effect of

View solution

Q. In which period decrease of atomic radii is very prominent?

View solution

Q. Number of electrons in valence shell of first element of period is

View solution

Q. From top to bottom in a group of periodic table atomic radii

View solution

Q. In a group of periodic table, nuclear charge

View solution

Q. Electron affinity of sodium atom is

View solution

Q. Force of which ultimately results in difficult removal of electron is

View solution

Q. Atomic number of sodium is

View solution

Q. In group from top to bottom electron affinity

View solution

Q. Increase in atomic number is leads to a stronger force of attraction between nucleus and increasing number of

View solution

Q. Covalent radius of hydrogen is

View solution