Electron Orbitals and Shells

Question 1

energy levels (aka shells) are at specific … from the nucleus

Answer 1

distance

Question 2

the … from the …, the … … an electron has

Answer 2

farther; nucleus; more energy

Question 3

the … the level, the more … it can hold (remember 2n^2)

Answer 3

higher; electrons

Question 4

… … specifies the … of atomic … and the … that occupy them

Answer 4

quantum number; properties; orbitals; electrons

Question 5

each … has 4 specific … numbers that reveal its … on the electron …

Answer 5

electron; quantum; location; cloud

Question 6

… quantum number (n) refers to the … …

Answer 6

principal; energy level

Question 7

energy level … is just beyond the …; numbers increase by 1 for each energy … from the …

Answer 7

1; nucleus; level; nucleus

Question 8

… quantum number (l) refers to the … shape

Answer 8

angular; orbital

Question 9

orbitals fit different numbers of … based on their …

Answer 9

electrons; shape

Question 10

s orbital holds _
p orbital holds _
d orbital holds _
f orbital holds _

Answer 10

2
6
10
14

Question 11

for any energy level, there is an … orbital that holds up to … electrons that are shaped as … with … possible ….

Answer 11

s; 2; spheres; 1; orientation

Question 12

energy levels … and above have … orbitals that hold up to … electrons, have a … shape, and have … possible orientations

Answer 12

2; p; 6; dumbbell; 3

Question 13

energy levels 3 and … have … orbitals that hold up to … electrons and have … possible orientations

Answer 13

above; d; 10; 5

Question 14

energy levels … and above have f orbitals that can hold up to … electrons and have … possible orientations

Answer 14

4; 14; 7

Question 15

… quantum number (s) refers to the spinning of an …; each orientation of an … can fit … electrons; … electrons have … spins

Answer 15

spin; electron; orbital; 2; paired; opposite

Question 16

electron … describe the … of electrons

Answer 16

configurations; arrangement

Question 17

3 rules for how electrons fill shells/orbitals:

1. Aufbau principle: electrons fill orbitals of … energy …
2. Pauli exclusion principle: electrons must have … spins
3. Hund’s rule- orbitals of … energy are each occupied by a … electrons before being …

Answer 17

lowest; first
opposite
equal; single; paired

Question 18

in orbital notation, an … orbital is represented w/ a box or horizontal line

Answer 18

unoccupied

Question 19

electron configuration notation shows energy …, orbital, and … occupying the orbital

Answer 19

level; number

Question 20

lewis dot diagrams only determine the number of … …

Answer 20

valance electrons