Elements of group IA IIA are _________________?
(A) Electronegative
(B) Electropositive
(C) Neutral
(D) IA is electropositive while IIA is electronegative
Energy released or absorbed when electrons are added in atom is_________________?
(A) Ionization potential
(B) Electronegativity
(C) Electron affinity
(D) Activation energy
Greater shielding effect corresponds to ionization energy value___________________?
(A) Greater
(B) Lesser
(C) Remain same
(D) No effect
Energy required to remove electron from an atom______________?
(A) Ionization potential
(B) Electronegativity
(C) Electron affinity
(D) Activation energy
In a period the atomic radius ?
(A) Increases
(B) Decreases
(C) Remain same
(D) First decreases then increases
Force responsible to hold atoms together in a compound is called ________________?
(A) Bond
(B) Attractive force
(C) Interaction
(D) All of above represent same entity
Measurement of the degree of polarity is___________________?
(A) Electron affinity
(B) Ionic character
(C) Ionization energy
(D) Dipole moment
Which of the solid does not contain covalent bond________________?
(A) Copper
(B) Ice
(C) Diamond
(D) Graphite
Which of the following will have highest value of electron affinity_________________?
(A) F
(B) Cl
(C) Br
(D) I