Unit 4 Test

What is the maximum number of electrons in an atom that can have the following quantum number? n=3 l=2

10

How many orbitals are allowed in a subshell if l=2?

5

The orbital diagram for a ground-state nitrogen atom is

A

Which of the following electronic transitions is consistent with a decrease in energy?

From 4f subshell to a 5p subshell

What are the products of the following reaction? SO2 (g) + H2O(l) ->

H2SO3(aq)

Using the figure below, categorize electromagnetic radiation with an energy of 6.7 x 10^18 J/photon.

Ultraviolet

The representative elements are those will unfilled energy levels in which the "last electron" was added to

an s or p orbital

Which one of the following sets of quantum numbers represents an electron with the highest energy?

n=3, l=2, ml=1, ms=-1/2

An FM radio station broadcasts at a frequency of 101.7 MHz. Calculate the wavelength of the broadcast signal in meters. (c=2.9979 x 10^8 m/s)

2.948 m

What are the products of the following reaction? 2Al(s) + 6H+ ->

2Al (3+) (aq) + 3H2(g)

What are the products of the following reaction? 2Li(s) + 2H2O(l) ->

2LiOH(aq) + H2(g)

Which of the following wavelengths of electromagnetic radiation has the highest energy?

3.50 x 10^-9 m

Concerning the electron configuration of S2-, (......lazy) which if any is the configuration for the valence shell electrons only?

3s2,3p6

Calculate the energy of a photon of light with a wavelength of 360 nm.

5.5 x 10^ -19 J

Calculate the wavelength of the light emitted by a hydrogen atom during a transition of its electron from the n=4 to the n=1 principle energy level. Recall that for hydrogen RH=-2.18x10^-18 J.

97.2 nm

Which one of the following sets of quantum numbers is not possible?

B (n = 3, l = 2, ml = -3, ms = +1/2)

A possible set of quantum numbers for the last electrons added to complete an atom of germanium (Ge) in its ground state is

C(4, 1, -1, 1/2)

The effective nuclear charge (Zeff) felt by the outermost electrons is the strongest for which of the following elements?

F

Which of the following elements has the greatest electron affinity (largest positive value)?

S

Which one of the following ions has the largest radius?

S2-

The following successive ionization energies correspond to an element in the third row of the periodic table I1=786.3 kJ/mol, I2=1580 kJ/mol ....... Based on this pattern of ionization energies, identify the element.

Silicon

Which one of the following does not have [Kr] as its electronic configuration?

Zn2+

Consider the element with the electron configuration [Kr] 5s2 4d10 5p5. This element is

a representative element

Consider the element with the electron configuration (Kr) 5s2, 4d7. This element is

a transition metal

If a hydrogen atom and a helium atom are traveling at the same speed,

the wavelength of the hydrogen atom will be about 4 times longer than the wavelength of the helium atom