chemistry test #3 ch. 9 review

Question 1

T or F: Light is a type of matter

Answer 1

false

Question 2

T or F: light travels through space at a speed of 3.00x10^8 m/s

Answer 2

true

Question 3

T or F: a particle of light is called a packet

Answer 3

false

Question 4

T or F: the electron configuration of Cl is 1s^22s^22p^63s^23p^5

Answer 4

true

Question 5

T or F: wavelength of visible light determines color

Answer 5

true

Question 6

T or F: the most energetic photons are gamma rays

Answer 6

true

Question 7

T or F: fluorine has a higher ionization energy than sodium

Answer 7

true

Question 8

T or F: photons of ultraviolet radiation contain more energy than do photons of violet visible light

Answer 8

true

Question 9

T or F: ultraviolet light produces suntans and sunburns

Answer 9

true

Question 10

T or F: each element produces its own unique and distinctive emission spectrum

Answer 10

true

Question 11

T or F: the energy of an electron orbit is quantized

Answer 11

true

Question 12

T or F: electrons behave like particles and we can describe their exact paths

Answer 12

false

Question 13

T or F: the sub shells of the orbitals are represented by the possible letter- s,p,d, or f

Answer 13

true

Question 14

T or F: the correct electron configuration for fluorine is 1s^22s^22p^5

Answer 14

true

Question 15

T or F: the pauli exclusion principle states that orbitals that may hold more than 2 electrons of identical spins

Answer 15

false

Question 16

T or F: the correct electron configuration for magnesium is- 1s^22s^22p^63s^3

Answer 16

false

Question 17

T or F: the atomic size of lithium is larger than the atomic size of nitrogen

Answer 17

true

Question 18

T or F: bromine has 17 valence electrons

Answer 18

false

Question 19

T or F: the ionization energy of lithium is higher than that of fluorine

Answer 19

false

Question 20

the distance between adjacent wave crests is called

Answer 20

wavelength

Question 21

how are wavelength and frequency of light related?

Answer 21

wavelength increases as the frequency decreases

Question 22

what is the correct order of the electromagnetic spectrum from shortest wavelength to longest

Answer 22

gamma rays - x rays - ultraviolet radiation - visible light - infrared radiation - microwaves - radio waves

Question 23

which form of electromagnetic radiation has photons with the highest energy

Answer 23

gamma rays

Question 24

how many sub shells are there in the n= 4 principal shell

Answer 24

4

Question 25

the n= ___ principal shell is the lowest that may contain a d- sub shell

Answer 25

3

Question 26

which sub shell letter corresponds to a 4-leaf clover orbital pattern

Answer 26

d

Question 27

how many electrons can exist in an orbital

Answer 27

2

Question 28

when filling orbitals of equal energy, electrons fill them singly first with parallel spin. This is known as

Answer 28

Hunds Rule

Question 29

how many orbitals are unpaired of nitrogen

Answer 29

3

Question 30

which element is represented by the electron configuration 1s^22s^22p^2

Answer 30

Carbon

Question 31

what is the electron configuration for Kr

Answer 31

1s22s22p63s23p64s23d104p6

Question 32

which of the following elements has the electron configuration of 3s^23p^4 in the outermost shell

Answer 32

Sulfur

Question 33

Chlorine and bromine have very similar chemical properties. This is best explained by the fact that both elements:

Answer 33

have the same number of valence electrons.

Question 34

Which one of the following species has the electron configuration of 1s22s22p6?

Answer 34

Na+, O^2, F-

Question 35

Choose the answer that best completes the following statement: When an aluminum atom reacts so as to attain a noble gas electron configuration,

Answer 35

the result is a configuration of 1s22s22p6.

Question 36

Which of the following elements has the lowest ionization energy? He, C, Rb, F, Na

Answer 36

Rb

Question 37

Which of the following atoms has the greatest metallic character? Be, Cs, Au, Cu, Ti

Answer 37

Cs

Question 38

Which of the following atoms is the smallest? Ne, B, O, Li, Be

Answer 38

Ne

Question 39

The term “main energy level” is closely associated with the term ________.

Answer 39

shell

Question 40

What is the maximum number of electrons that the d subshell can hold?

Answer 40

10

Question 41

the height of the wave

Answer 41

amplitude

Question 42

the distance from one crest to the next

Answer 42

wavelength

Question 43

the number of waves that pass a point in a given period of time

Answer 43

frequency

Question 44

energy level or shell

Answer 44

distance

Question 45

sublevel or sub shell

Answer 45

contains orbitals of a type