- 18.104.22.168.28: What is ionization energy?
- 22.214.171.124.29: Why is measuring the size of an atom difficult?
- 126.96.36.199.30: What can you tell about an atom that has high electronegativity?
- 188.8.131.52.31: How does electron shielding affect atomic size as you move down a g...
- 184.108.40.206.32: What periodic trends exist for ionization energy?
- 220.127.116.11.33: Describe one way in which atomic radius is defined.
- 18.104.22.168.34: Explain how the trends in melting and boiling points differ from th...
- 22.214.171.124.35: Why do both atomic size and ionic size increase as you move down a ...
- 126.96.36.199.36: How is electron affinity different from electronegativity?
- 188.8.131.52.37: What periodic trends exist for electronegativity?
- 184.108.40.206.38: Why is electron shielding not a factor when you examine a trend acr...
- 220.127.116.11.39: Explain why the noble gases have high ionization energies.
- 18.104.22.168.40: What do you think happens to the size of an atom when the atom lose...
- 22.214.171.124.41: With the exception of the noble gases, why is an element with a hig...
- 126.96.36.199.42: Explain why atomic radius remains almost unchanged as you move thro...
- 188.8.131.52.43: Helium and hydrogen have almost the same atomic size, yet the ioniz...
- 184.108.40.206.44: Why does mercury, Hg, have such a low melting point? How would you ...
- 220.127.116.11.45: What exceptions are there in the increase of ionization energies ac...
Solutions for Chapter 4.3: Trends in the Periodic Table
Full solutions for Modern Chemistry: Student Edition 2006 | 1st Edition
The addition of H2 across only one face of a p bond.
A cholesterol-derived detergent molecule, such as cholic acid, which is secreted by the gallbladder into the intestine to assist in the absorption of dietary lipids.
Colors that, when mixed in proper proportions, appear white or colorless. (Section 23.5)
critical temperature (Tc).
The temperature above which a gas will not liquefy. (11.8)
A compound containing two adjacent p bonds.
An alkane whose structure contains a ring.
A signal of an NMR spectrum that is shifted toward the left (larger chemical shift) on the chart paper.
Energetic electromagnetic radiation emanating from the nucleus of a radioactive atom. (Section 21.1)
Proteins that consist of chains that are coiled into compact shapes.
nematic liquid crystalline phase
A liquid crystal in which the molecules are aligned in the same general direction, along their long axes, but in which the ends of the molecules are not aligned. (Section 11.7)
An equation that relates the cell emf, E, to the standard emf, E°, and the reaction quotient, Q: E = E° - 1RT>nF2 ln Q. (Section 20.6)
During the polymerization process, compounds constructed from just a few monomers.
oxidation number (oxidation state)
A positive or negative whole number assigned to an element in a molecule or ion on the basis of a set of formal rules; to some degree it reflects the positive or negative character of that atom. (Section 4.4)
On an aromatic ring, the C4position.
Pi (p) molecular orbital
A molecular orbital formed by overlapping parallel 2p orbitals on adjacent atoms; its electron density lies above and below the line connecting the atoms
R (Section 3.3)
From the Latin, rectus, straight, correct; used in the R,S convention to show that the order of priority of groups on a chiral center is clockwise.
A compound that reduces another compound and in the process is itself oxidized. Sodium borohydride and lithium aluminum hydride are reducing agents.
A region of space around a nucleus that can be occupied by electrons, corresponding to a principal quantum number
The preferred metric units for use in science. (Section 1.4)
standard atomic weight
The weighted averages for each element, which takes into account isotopic abundance.
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