Chemistry Chpt Review
Calculate the energy of the red light emitted by a neon atom with a wavelength of 703.2 nm.
2.83 × 10^-19 J
An FM radio station broadcasts electromagnetic radiation at a frequency of 100.6 MHz. The wavelength of this radiation is ________ m.
2.982
How many photons are contained in a flash of green light (525 nm) that contains 189 kJ of energy?
4.99 × 10^23 photons
Calculate the wavelength (in nm) of the blue light emitted by a mercury lamp with a frequency of 6.88 × 10^14 Hz.
436 nm
How many valence electrons does an atom of As have?
5
What is the maximum number of d orbitals that are possible?
5
Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye. The frequency of this light is ________ s-1.
5.71 × 10^14
Calculate the frequency of the green light emitted by a hydrogen atom with a wavelength of 486.1 nm.
6.17 × 10^14 s-1
Determine the longest wavelength of light required to remove an electron from a sample of potassium metal, if the binding energy for an electron in K is 1.76 × 103 kJ/mol.
68 nm
How many valence electrons do the halogens possess?
7
What is the maximum number of f orbitals that are possible?
7
How many valence electrons do the noble gases possess?
8
Identify the most reactive alkali metal with water.
Cs
Place the following in order of increasing IE1. K Ca Rb
Rb < K < Ca
Place the following elements in order of increasing electronegativity. Na Rb P
Rb < Na < P
Atomic radius
Size increase: left to down Size decrease: up to right
Identify the element that has a ground state electronic configuration of [Kr]5s24d5.
Tc
________ are used to image bones and internal organs.
X-rays
Choose the ground state electron configuration for Zn2⁺.
[Ar]3d^10
Choose the ground state electron configuration for Ti2⁺.
[Ar]3d^2
Give the ground state electron configuration for Se. (core)
[Ar]4s^2 3d^10 4p^4
Give the ground state electron configuration for Br⁻.
[Ar]4s^2 3d^10 4p^6
Give the ground state electron configuration for Rb⁺.
[Ar]4s^2 3d^10 4p^6
Give the ground state electron configuration for Se2⁻.
[Ar]4s^2 3d^10 4p^6
Give the ground state electron configuration for the ion of Ba.
[Kr]5s^2 4d^10 5p^6
The vertical height of a wave is called
amplitude
Identify the color that has a wavelength of 460 nm.
blue
Which of the following visible colors of light has the highest frequency?
blue
Identify the species that has the smallest radius.
cation
The number of cycles that pass through a stationary point is called
frequency
Place the following types of electromagnetic radiation in order of increasing wavelength. visible light gamma rays microwaves
gamma rays < visible light < microwaves
Place the following types of electromagnetic radiation in order of decreasing energy. gamma rays radio waves microwaves
gamma rays > microwaves > radio waves
Identify the color that has a wavelength of 540 nm.
green
On the electromagnetic spectrum, visible light is immediately between two other wavelengths. Name them.
infrared and ultraviolet
increasing IE
largest to smallest
Which of the following occur as the wavelength of a photon increases?
the frequency decreases
Which of the following occur as the energy of a photon increases?
the wavelength gets shorter.
A sunburn is caused by overexposure to ________ radiation.
ultraviolet
Which of the following colors of electromagnetic radiation has the shortest wavelength?
violet
The distance between adjacent crests is called
wavelength
1 joule
.001 kilojoule
How many valence electrons do the alkali metals possess?
1
What total energy (in kJ) is contained in 1.0 mol of photons, all with a frequency of 2.75 × 10^14 Hz?
110 kJ
Give the ground state electron configuration for Mg2⁺.
1s^2 2s^2 2p^6
Give the complete electronic configuration for Ca2+.
1s^2 2s^2 2p^6 3s^2 3p^6
Give the complete electronic configuration for S2-.
1s^2 2s^2 2p^6 3s^2 3p^6
Give the complete electronic configuration for Br-.
1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6
Give the complete electronic configuration for Mn. (extended)
1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^5
How many valence electrons do the alkali earth metals possess?
2
Identify the number of valence electrons for Ti.
2
How many valence electrons does an atom of Al possess?
3
What is the maximum number of p orbitals that are possible?
3
Calculate the energy of the orange light emitted, per photon, by a neon sign with a frequency of 4.89 × 10^14 Hz.
3.24 × 10^-19 J
Calculate the energy of the green light emitted, per photon, by a mercury lamp with a frequency of 5.49 × 10^14 Hz.
3.64 × 10^-19 J
Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye. The energy of one photon of this light is ________ J.
3.79 × 10^-19
Calculate the energy of the violet light emitted by a hydrogen atom with a wavelength of 410.1 nm.
4.85 × 10^-19 J
Place the following in order of decreasing IE1. Cs Mg Ar
Ar > Mg > Cs
Place the following in order of increasing IE1. N F As
As < N < F
Of the following elements, which has the lowest electronegativity?
Ba
Place the following elements in order of increasing atomic radius. P Ba Cl
Cl < P < Ba
Electronegativity (En)
Decreasing order: left to down Increasing order: up to right
Reactivity/Metallic Characteristics
Decreasing order: up to right Increasing order: left to down
Place the following elements in order of decreasing electronegativity. S F Se
F > S > Se
Identify the element that has a ground state electronic configuration of [Ar]4s23d104p1.
Ga
Ionization Energy (IE)
IE increase: up to right IE decrease: left to down
Place the following in order of decreasing metallic character. P As K
K > As > P
Place the following in order of increasing metallic character. Rb Cs K Na
Na < K < Rb < Cs
Place the following in order of increasing atomic radius. As O Br
O < Br < As
Of the following elements, which has the highest electronegativity?
P
Food can be cooked by ________ radiation.
microwave
Place the following types of electromagnetic radiation in order of increasing frequency. x-rays microwaves gamma rays
microwaves < x-rays< gamma rays
The element that corresponds to the electron configuration 1s22s22p6 is ________.
neon
Which of the following types of electromagnetic radiation has the lowest frequency?
orange
Identify the color that has a wavelength of 680 nm.
red
Which of the following visible colors of light has the longest wavelength?
red
decreasing IE
smallest to largest
