Exam 2

Question 1

Principal Quantum Number

Answer 1

shell layer

Question 2

Equation for how many electrons a shell can hold

Answer 2

2n^2

Question 3

Shell n = 1 electron capacity

Answer 3

2

Question 4

Shell n = 2 electron capacity

Answer 4

8

Question 5

Shell n = 3 electron capacity

Answer 5

18

Question 6

Shell n = 4 electron capacity

Answer 6

32

Question 7

Which shell has the least amount of energy

Answer 7

n = 1

Question 8

Which shell has the most amount of energy

Answer 8

n = largest number

Question 9

What is the ground state of an atom

Answer 9

arrangement of electrons that has the lowest total energy

Question 10

What is an excited state

Answer 10

one or more of an atom’s electrons are located in higher energy shells

Question 11

What is relaxation

Answer 11

When an excited electron drop back down into it’s lower energy levels

Question 12

What is emitted when electrons relax? How is it related to wavelength?

Answer 12

Electrons emit light, the amount of eV the electron loses is the same amount of energy possessed by the light wave

Question 13

What subshell is in n=1 and how many electrons can it hold

Answer 13

S = 2

Question 14

What subshell is in n=2 and how many electrons can it hold

Answer 14

S = 2, P = 6

Question 15

What subshell is in n=3 and how many electrons can it hold

Answer 15

S = 2, P = 6, D = 10

Question 16

What subshell is in n=4 and how many electrons can it hold

Answer 16

S= 2, P = 6, D = 10, F = 14

Question 17

What is electron confiuration

Answer 17

the arrangements of electrons in the shells and subshells

Question 18

Formula and charge for Ammonium

Answer 18

NH₄+

Question 19

Formula and charge for Acetate

Answer 19

CH₃CO₂-

Question 20

Formula and charge for Cyanide

Answer 20

CN-

Question 21

Formula and charge for Nitrite

Answer 21

NO₂-

Question 22

Formula and charge for Nitrate

Answer 22

NO₃-

Question 23

Formula and charge for Carbonate

Answer 23

CO₃²-

Question 24

Formula and charge for Hydrogen Carbonate (bicarbonate)

Answer 24

HCO₃-

Question 25

Formula and charge for Sulfite

Answer 25

SO₃²-

Question 26

Formula and charge for Sulfate

Answer 26

SO₄²-

Question 27

Formula and charge for Hydrogen Sulfate (bisulfate)

Answer 27

HSO₄-

Question 28

Formula and charge for Permanganate

Answer 28

MnO₄-

Question 29

Formula and charge for Phosphate

Answer 29

PO³₄-

Question 30

Formula and charge for Hydrogen Phosphate

Answer 30

HPO₄²-

Question 31

Formula and charge for Dihydrogen Phosphate

Answer 31

H₂PO₄-

Question 32

Formula and charge for Hypochlorite

Answer 32

ClO-

Question 33

Formula and charge for Chlorite

Answer 33

ClO²-

Question 34

Formula and charge for Chlorate

Answer 34

Clo₃-

Question 35

Formula and charge for Perchlorate

Answer 35

ClO₄-

Question 36

Formula and charge for Chromate

Answer 36

CrO₄²-

Question 37

Formula and charge for Dichromate

Answer 37

Cr₂O²₇-

Question 38

Formula and charge for Peroxide

Answer 38

O²₂-

Question 39

Formula and charge for Hydroxide

Answer 39

OH-

Question 40

Wavelength unit

Answer 40

meters (m)

Question 41

Frequency unit

Answer 41

hertz (Hz, 1/s, s⁻¹)

Question 42

Energy unit

Answer 42

joules (J)