Deck 9: Electrons in Atoms and the Periodic Table

Question 1

In order for a substance to be heated in a microwave,it must contain water.

Answer 1

True

Question 2

Blue light travels at a faster speed than red light.

Answer 2

False

Question 3

Wavelength of visible light determines color.

Answer 3

True

Question 4

Light is a type of matter.

Question 5

The early scientists who developed the quantum-mechanical model were bewildered by the model and it altered our fundamental view of matter.

Question 6

The shorter the wavelength of light,the more energy it has.

Question 7

Light travels through space at a speed of 3.00 × 10⁸ m/s.

Question 8

A photon represents the mass of a single particle of light.

Question 9

Visible light makes up the largest portion of the electromagnetic spectrum.

Question 10

A photon of red light contains the same amount of energy as a photon of blue light.

Question 11

Ultraviolet light produces suntans and sunburns.

Question 12

When the elements are arranged in order of increasing number of protons,certain sets of properties recur periodically.

Question 13

The heat you feel when you place your hand near a hot object is ultraviolet radiation.

Question 14

The great success of the Bohr model of the atom is that it predicted the emission spectrum lines of multi-electronic elements like helium.

Question 15

X-rays damage biological molecules.

Question 16

Bohr showed that the emission spectrum of hydrogen was continuous with no interruption across the entire visible wavelength range.

Question 17

Photons of ultraviolet radiation contain more energy than do photons of violet visible light.

Question 18

A particle of light is called a packet.

Question 19

The most energetic photons are gamma rays.

Question 20

A red shirt appears red to our eyes because the shirt absorbs the red wavelengths of visible light.

Question 21

When an atom absorbs energy,it often re-emits that energy as heat.

Question 22

The correct electron configuration for fluorine is: 1s²2s²2p⁵.

Question 23

The higher the principal quantum number,the lower the orbital energy.

Question 24

Electrons behave like particles and we can describe their exact paths.

Question 25

Bromine has 17 valence electrons.

Question 26

The Pauli exclusion principle states that orbitals may hold no more than two electrons of identical spins.

Question 27

An emission spectrum results when light emitted by glowing gas is passed through a prism.

Question 28

A principal shell with a value of n=3 would contain s,p,d,and f orbitals.

Question 29

The subshells s,p,d,and f all have the same energy as long as they are in the same principal shell.

Question 30

The energy of an electron orbit is quantized.

Question 31

The ground state is when an electron in an atom is excited into the lowest possible vacant orbital.

Question 32

The possible values for the principal quantum numbers are:
.

Question 33

An orbital is a probability map showing exactly where an electron can be found in an atom.

Question 34

The correct electron configuration for magnesium is: 1s²2s²2p⁶3s³.

Question 35

Each element produces its own unique and distinctive emission spectrum.

Question 36

The subshells of the orbital are represented by the possible letters: s,p,d,or f.

Question 37

The energy of each Bohr orbit increases with increasing value of "n," but levels become more closely spaced as "n" increases.

Question 38

The orbital diagram for fluorine shows 1 unpaired electron in a p orbital.

Question 39

The element manganese (symbol = Mn)has five valence electrons.

Question 40

Transition metal elements always contain at least one "d" block electron.

Question 41

The number of cycles of a wave that passes a stationary point in one second is called its:

A)wavelength.
B)frequency.
C)crest.
D)trough.
E)none of the above

Question 42

Which of the statements about light is FALSE?

A)Light travels through space at a speed of 3.00 × 10⁸ m/s.
B)Light travels much faster than sound.
C)A packet of light energy is called a photon.
D)A characteristic feature of light that determines its color is its wavelength.
E)All of the above statements are true.

Question 43

Which form of electromagnetic radiation has the longest wavelength?

A)Radio Waves
B)Microwaves
C)X-rays
D)Gamma Rays
E)Infrared Radiation

Question 44

Which form of electromagnetic radiation has the shortest wavelength?

A)Radio Waves
B)Microwaves
C)X-rays
D)Gamma Rays
E)Infrared Radiation

Question 45

How are wavelength and frequency of light related?

A)Wavelength is one-half of the frequency.
B)Wavelength is double the frequency.
C)Wavelength increases as frequency increases.
D)Wavelength increases as the frequency decreases.
E)Wavelength is independent of frequency.

Question 46

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

A)Gamma Rays→X-rays→Ultraviolet Radiation→Visible Light→Infrared Radiation→Microwaves→Radio Waves
B)Visible Light→Infrared Radiation→Microwaves→Radio Waves→Gamma Rays→X-rays→Ultraviolet Radiation
C)Radio Waves→X-rays→Ultraviolet Radiation→Visible Light→Infrared Radiation→Microwaves→Gamma Rays
D)Gamma Rays→X-rays→Visible Light→Ultraviolet Radiation→Infrared Radiation→Microwaves→Radio Waves
E)Gamma Rays→X-rays→Infrared Radiation→Visible Light→Ultraviolet Radiation→Microwaves→Radio Waves

Question 47

The distance between adjacent wave crests is called:

A)wavelength.
B)frequency.
C)trough.
D)nu.
E)none of the above

Question 48

Which form of electromagnetic radiation has photons with the highest energy?

A)Radio Waves
B)Microwaves
C)X-rays
D)Gamma Rays
E)Infrared Radiation

Question 49

The elements will lose or gain electrons as needed to have an electron configuration that matches a noble gas.

Question 50

The ionization energy of lithium is higher than that of fluorine.

Question 51

Which form of electromagnetic radiation has the highest frequency?

A)Radio Waves
B)Microwaves
C)X-rays
D)Gamma Rays
E)Infrared Radiation

Question 52

The atomic size of lithium is larger than the atomic size of nitrogen.

Question 53

Which color of the visible spectrum has the longest wavelength (750 nm)?

A)red
B)orange
C)green
D)violet
E)yellow

Question 54

Which color of the visible spectrum has photons with the most energy?

A)red
B)orange
C)green
D)violet
E)yellow

Question 55

Based on relative location on the periodic table,a carbon atom is larger in atomic size than a phosphorous atom.

Question 56

Which color of the visible spectrum has the shortest wavelength (400 nm)?

A)red
B)orange
C)green
D)violet
E)yellow

Question 57

Which among the following statements is TRUE?

A)The wavelength of light is inversely related to its energy.
B)As the energy increases,the frequency of radiation decreases.
C)As the wavelength increases,the frequency also increases.
D)Red light has a shorter wavelength than violet light.
E)none of the above

Question 58

Based on relative location on the periodic table,vanadium (symbol = V)is expected to have more metallic character than selenium (symbol = Se).

Question 59

Bromine has 28 core electrons.

Question 60

Which form of electromagnetic radiation has the lowest frequency?

A)Radio Waves
B)Microwaves
C)X-rays
D)Gamma Rays
E)Infrared Radiation

Question 61

Which form of electromagnetic radiation has photons with the lowest energy?

A)Radio Waves
B)Microwaves
C)X-rays
D)Gamma Rays
E)Infrared Radiation

Question 62

Which subshell letter corresponds to a 4-leaf clover orbital pattern?

A)s
B)p
C)d
D)f
E)not enough information

Question 63

The "d" subshell can hold a maximum of ________ electrons.

A)2
B)5
C)6
D)10
E)none of the above

Question 64

How many subshells are there in the n = 2 principal shell?

A)1
B)2
C)3
D)4
E)not enough information

Question 65

What happens to an atom when it absorbs energy?

A)The atom stores the energy for later use.
B)The extra energy increases the speed of the electrons in their orbitals.
C)The atom re-emits the energy as heat.
D)The atom re-emits the energy as light.
E)none of the above

Question 66

"When filling orbitals of equal energy,electrons fill them singly first with parallel spins." This is known as:

A)Hund's rule.
B)Pauli exclusion principle.
C)Bohr's model.
D)Ground state.
E)none of the above

Question 67

Which statement is NOT true about "p" orbitals?

A)A subshell contains three "p" orbitals.
B)These orbitals are shaped like dumbbells.
C)A 3p orbital has a higher energy than a 2p orbital.
D)All three of these statements are true.
E)none of the above

Question 68

The n = ________ principal shell is the lowest that may contain a d-subshell.

A)1
B)2
C)3
D)4
E)not enough information

Question 69

The subshell that has five orbitals and can hold up to ten electrons is the:

A)d subshell
B)f subshell
C)s subshell
D)p subshell
E)none of the above

Question 70

Which statement below does NOT follow the Bohr Model?

A)When energy is absorbed by atoms,the electrons are promoted to higher-energy orbits.
B)When an atom emits light,electrons fall from a higher orbit into a lower orbit.
C)The energy emitted from a relaxing electron can have any wavelength.
D)Electrons exist in specific,quantized orbits.
E)none of the above

Question 71

The subshell letter:

A)specifies the 3-D shape of the orbital.
B)specifies the principal quantum number of the orbital.
C)specifies the maximum number of electrons.
D)specifies the principal shell of the orbital.
E)none of the above

Question 72

How many electrons can exist in an orbital?

A)1
B)2
C)3
D)4
E)none of the above

Question 73

The subshell that has three orbitals and can hold up to six electrons is the:

A)s subshell
B)p subshell
C)d subshell
D)f subshell
E)none of the above

Question 74

When neon light is passed through a prism,what is observed?

A)continuous spectrum
B)nothing
C)bright spots or lines
D)white light
E)none of the above

Question 75

Which of the following statements about the quantum-mechanical model is FALSE?

A)Orbitals are a probability map of finding electrons.
B)Electrons do not behave as particles.
C)Orbitals are specific paths electrons follow.
D)Electron paths cannot be described exactly.
E)All of the above are correct statements.

Question 76

The principal quantum number (n):

A)specifies the 3-D shape of the orbital.
B)specifies the subshell of the orbital.
C)specifies the maximum number of electrons.
D)specifies the principal shell of the orbital.
E)none of the above

Question 77

Which subshell letter corresponds to a spherical orbital?

A)s
B)p
C)d
D)f
E)not enough information

Question 78

How many subshells are there in the n = 4 principal shell?

A)1
B)2
C)3
D)4
E)not enough information

Question 79

When sunlight is passed through a prism,what is observed?

A)continuous spectrum
B)nothing
C)bright spots and lines
D)white light
E)none of the above

Question 80

The lowest energy orbital in the quantum-mechanical model is the:

A)zero orbital.
B)1a orbital.
C)1p orbital.
D)1s orbital.
E)none of the above