مصطلحات التشابتر السابع والثامن

Question 1

distance of e- from the nucleus

Answer 1

quantum numbers n

Question 2

Angular momentum descripts The shape of the “volume” of space that the e- occupies

Answer 2

quantum numbers l

Question 3

orientation of the orbital in space

Answer 3

quantum numbers ml

Question 4

+1⁄2 or - 1⁄2

Answer 4

quantum numbers ms

Question 5

no two electrons in an atom can have the same four quantum numbers.

Answer 5

Pauli exclusion principle

Question 6

electrons with the same value of n

Answer 6

Shell

Question 7

electrons with the same values of n and l

Answer 7

Subshell

Question 8

electrons with the same values of n, l, and ml

Answer 8

Orbital

Question 9

“Fill up” electrons in lowest energy orbitals

Answer 9

Aufbau principle

Question 10

The most stable arrangement of electrons in subshells is the one with the greatest number of parallel spins

Answer 10

Hund’s rule

Question 11

is how the electrons are distributed among the various atomic orbitals in an atom.

Answer 11

Electron configuration

Question 12

have the same number of electrons, and hence the same ground-state electron configuration

Answer 12

Isoelectronic

Question 13

is the minimum energy (kJ/mol) required to remove an electron from a gaseous atom in its ground state.

Answer 13

Ionization energy

Question 14

is the negative of the energy change that occurs when an electron is accepted by an atom in the gaseous state to form an anion.

Answer 14

Electron affinity