Test 3 Chemistry

21) Give the ground state electron configuration for Se. A) [Ar]4s23d104p4 B) [Ar]4s24d104p4 C) [Ar]4s23d104p6 D) [Ar]4s23d10 E) [Ar]3d104p4

A) [Ar]4s23d104p4

Give the ground state electron configuration for Br⁻. A) [Ar]4s23d104p6 B) [Ar]4s23d104p5 C) [Ar]4s24p6 D) [Ar]4s24d104p6 E) [Ar]4s23d104p4

A) [Ar]4s23d104p6

Identify the species that has the smallest radius. A) cation B) anion C) neutral D) they are all the same size

A) cation

Calculate the wavelength (in nm) of the blue light emitted by a mercury lamp with a frequency of 6.88 × 1014 Hz. A) 229 nm B) 436 nm C) 206 nm D) 485 nm E) 675 nm

B) 436 nm

Place the following in order of increasing metallic character. Rb Cs K Na A) K < Cs < Na < Rb B) Na < K < Rb < Cs C) Cs < Rb < K < Na D) K < Cs < Rb < Na E) Na < Rb < Cs < K

B) Na < K < Rb < Cs

Give the numbers for ml for a d orbital. A) 0, 1, 2 B) -1, 0, 1 C) 1, 2, 3 D) -2, -1, 0, 1, 2

D) -2, -1, 0, 1, 2

What value of l is represented by a f orbital? A) 1 B) 2 C) 0 D) 3

D) 3

How many valence electrons do the halogens possess? A) 5 B) 6 C) 2 D) 1 E) 7

E) 7

Give the numbers for ml for an s orbital. A) 0 B) -1, 0, 1 C) 0, 1 D) 1

A) 0

How many orbitals are contained in the third principal level (n = 3) of a given atom? A) 9 B) 3 C) 18 D) 7 E) 5

A) 9

) Which reaction below represents the electron affinity of Li? A) Li(g) + e⁻ → Li⁻(g) B) Li(g) → Li⁺(g) + e⁻ C) Li(g) + e⁻ → Li⁺(g) D) Li⁺(g) → Li(g) + e⁻ E) Li⁺(g) + e⁻ → Li(g)

A) Li(g) + e⁻ → Li⁻(g)

Choose the diamagnetic species from below. A) Sn2⁺ B) I C) N D) Cr E) None of the above are diamagnetic.

A) Sn2⁺

) Identify the element that has a ground state electronic configuration of [Kr]5s24d5. A) Tc B) Mn C) Nb D) Ru

A) Tc

Which of the following quantum numbers describes the orientation of an orbital? A) magnetic quantum number B) principal quantum number C) angular momentum quantum number D) spin quantum number E) Schrödinger quantum number

A) magnetic quantum number

Place the following types of electromagnetic radiation in order of increasing frequency. x-rays microwaves gamma rays A) microwaves < x-rays< gamma rays B) gamma rays < x-rays < microwaves C) microwaves < gamma rays < x-rays D) gamma rays < microwaves < x-rays E) x-rays < gamma rays < microwaves

A) microwaves < x-rays< gamma rays

What are the possible orbitals for n = 3? A) s, p, d B) s, p, d, f C) s D) s, p

A) s, p, d

The distance between adjacent crests is called A) wavelength B) amplitude C) frequency D) area E) median

A) wavelength

Calculate the energy of the green light emitted, per photon, by a mercury lamp with a frequency of 5.49 × 1014 Hz. A) 2.75 × 10-19 J B) 3.64 × 10-19 J C) 5.46 × 10-19 J D) 1.83 × 10-19 J E) 4.68 × 10-19 J

B) 3.64 × 10-19 J

What value of l is represented by a d orbital? A) 1 B) 2 C) 0 D) 3

B) 2

Choose the ground state electron configuration for Zn2⁺. A) [Ar]4s23d8 B) [Ar]3d10 C) [Ar]4s23d6 D) [Ar] E) [Ar]3d8

B) [Ar]3d10

Give the ground state electron configuration for I. A) [Kr]5s24d105p6 B) [Kr]5s24d105p5 C) [Kr]4d105p6 D) [Kr]5s25p6 E) [Kr]5s25d105p6

B) [Kr]5s24d105p5

The vertical height of a wave is called A) wavelength B) amplitude C) frequency D) area E) median

B) amplitude

When a wave encounters an obstacle or a slit that is comparable in size to its wavelength, it bends around it. This characteristic is called ________. A) destructive interference B) diffraction C) constructive interference D) effusion E) amplitude

B) diffraction

For n = 3, what are the possible sublevels? A) 0 B) 0, 1 C) 0, 1, 2 D) 0, 1, 2, 3

C) 0, 1, 2

Place the following elements in order of increasing atomic radius. P Ba Cl A) Ba < P < Cl B) P < Cl < Ba C) Cl < P < Ba D) Cl < Ba < P E) Ba < Cl < P

C) Cl < P < Ba

When waves of equal amplitude from two sources are in phase when they interact, it is called ________. A) destructive interference B) diffraction C) constructive interference D) effusion E) amplitude

C) constructive interference

The number of cycles that pass through a stationary point is called A) wavelength B) amplitude C) frequency D) area E) median

C) frequency

What is the maximum number of d orbitals that are possible? A) 1 B) 3 C) 7 D) 5 E) 9

D) 5

) Calculate the frequency of the green light emitted by a hydrogen atom with a wavelength of 486.1 nm. A) 1.46 × 1014 s-1 B) 6.86 × 1014 s-1 C) 4.33 × 1014 s-1 D) 6.17 × 1014 s-1 E) 1.62 × 1014 s-1

D) 6.17 × 1014 s-1

Give the ground state electron configuration for Pb. A) [Xe]6s26p2 B) [Xe]6s25d106p2 C) [Xe]6s25f146d106p2 D) [Xe]6s24f145d106p2 E) [Xe]6s24f145d106s26p2

D) [Xe]6s24f145d106p2

Choose the paramagnetic species from below. A) Ca B) O2⁻ C) Zn2⁺ D) Cd E) Nb3⁺

E) Nb3⁺

Give the ground state electron configuration for Cd. A) [Kr]5s25d10 B) [Kr]5s24d105p2 C) [Kr]4d10 D) [Kr]5s24d8 E) [Kr]5s24d10

E) [Kr]5s24d10

Identify the correct values for a 4f sublevel. A) n = 3, l = 1, ml = 0 B) n = 2, l = 1, ml = 2 C) n = 1, l = 0, ml = 0 D) n = 2, l = 0, ml = 0 E) n = 4, l = 3, ml = -2

E) n = 4, l = 3, ml = -2