Which of the following statements regarding bond strength and 1ength is true? a.

Question

Which of the following statements regarding bond strength and 1ength is true? a. The length of a bond is the distance between two atoms when the potential energy of attraction between them is zero. b. Energy is released when bonded atoms separate. c. The length of a bond is generally inversely proportional to its strength. d. Bond strength increases as the distance between two atoms decreases. e. When multiple pairs of electrons are shared between two atoms, bond strength decreases due to electron repulsions. Electron affinity is the energy change that occurs _____ a. when one mole of electrons are added to one mole of gas-phase atoms or ions. b. when a gas-phase atom or ion in its ground state gains an electron. c. when an electron experiences the pull of the nucleus. d. when an atom attracts an electron on another atom to form a chemical bond. e. when one mole of electrons is added to one mole of atoms in their most stable state.

Explanation / Answer

ANSWER 6

Bond length and bond strength is inversely proportional to each other.

hence OPTION (C) is CORRECT

ANSWER 7

option (B) is CORRECT according to the defination of electron affinity which says that electron affinity is the amount of energy released when an electron is added to a netural atom in gaseous phase to form a negatively charged ion.

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