CHEM 1411 - Chapter 6 quiz
What is the ms value for an electron added to bromine to form an octet?
-1/2
UV-Visible spectroscopy can be used to study chromophores such as C=C-C=C which absorb in the UV region of the electromagnetic spectrum ranging from _____.
100 to 300 nm
How many electrons are in the most likely ion formed from an atom located in group 6A and period 3?
18 electrons
What is the ground-state electron configuration of carbon?
1s22s22p2
What is the ground-state electron configuration of calcium?
1s22s22p63s23p64s2
How many subshells are found in the 2nd energy level or shell?
2
How many electrons are in the most likely ion formed from an atom located in group 2A and period 5?
36 electrons
In which orbital does an electron add to in chlorine to form an octet?
3p
What is the maximum number of orbitals found in the 3rd energy level or shell?
9
Which nonradioactive group I metal would be the most reactive in water and why?
Cesium would be the most reactive group I metal in water because it's one valence electron is the farthest from the nucleus compared to the other metals.
Which of the following elements have a tendency to gain electrons?
Cl, O, F
According to periodic trends, which metal has the lowest ionization energy?
Cs
Which of the following sets of elements are the most similar to each other?
F, Cl, Br, I
According to periodic trends, which metal has the highest ionization energy?
Li
What is the electron configuration of a copper atom?
[Ar]4s13d10
According to periodic trends, arrange the following ions, potassium, magnesium, and aluminum in order of increasing ionic size.
aluminum ion, magnesium ion, and potassium ion
Identify the transition metal ion and the number of electrons with the following electron configuration, [Ar]4s03d7.
cobalt (II) ion and 25 electrons
Based on the following electron configuration, [Kr]5s24d105p5, this element would most likely _____.
gain an electron to form a -1 anion and could form an ionic bond with a metal
Elements in group 17 are considered _____________.
halogens
Which of the following sources of radiation has a longer wavelength?
infrared light
Based on the following electron configuration, [Xe]6s2, this element would most likely _____.
loss 2 electrons to form a +2 cation and could form an ionic bond with a non-metal
Which of the following has the longest wavelength?
microwaves
Provide the element name with a ground-state electron configuration of 1s22s22p4
oxygen
In what block, group, and period on the periodic table can the atom with a 1s22s22p63s23p64s23d104p5 ground-state electron configuration be found?
p-block, group 7A, and period 4
Due to periodicity, which element would you expect to behave most like sodium?
potassium
In what block, group, and period on the periodic table can the atom with a 1s22s22p63s1 ground-state electron configuration be found?
s-block, group 1A, and period 3
As you move down a group of elements (family), the number of valence electrons
stays the same.
Due to periodicity, which of the following elements has chemical behavior similar to that of Oxygen?
sulfur
Which of the following sources of radiation is higher in energy?
ultra violet light
During a UV-Visible spectroscopy experiment, a student notes 2 wavelength peak measurements at 580nm and 685nm. What region of the electromagnetic spectrum were these peaks observed?
visible region
