Barrons SAT Subject Test Chemistry, 13th Edition

low vapor pressures, high heats of vaporization, and high melting points. In order for vaporization or melting to take place, mo ...

distance and bond strength are between possible drawing configurations and really indicate a hybrid condition. To represent this ...

molecule’s atoms. The structural theory that deals with the bond angles is called the VSEPR theory, whereas the one that describ ...

Example: CH 4 , methane TIP Configurations often appear as questions on the SAT test. Mutual repulsion of six identical electro ...

an AB 2 E 2 molecule. Here, the oxygen atom is at the center of a tetrahedron, with two corners occupied by hydrogen atoms and t ...

Hybridization The molecular configurations derived by VSEPR can also be arrived at through the concept of hybridization. Briefly ...

The ground state of beryllium is: To accommodate the experimental data, we theorize that a 2s electron is excited to a 2p orbita ...

sp^3 Hybrid Orbitals Methane, CH 4 , can be used to illustrate this hybridization. Carbon has a ground state of 1s^22 s^22 p^2 ...

of unbonded electron repulsion. Examples: a. Water, H 2 O b. Ammonia, NH 3 sp^3 d^2 Hybrid Orbitals These orbitals are formed ...

The concept of hybridization is summarized in the accompanying table. TIP Know these hybrid orbitals designations and their corr ...

When two p orbitals share electrons in a covalent bond and the interaction is not symmetrical about a line between the two nucle ...

Those that are soluble in water form electrolytic solutions that are good conductors of electricity. There is, however, a wide ...

sigma bond van der Waals forces VSEPR INTERNET RESOURCES Online content that reinforces major concepts discussed in this chapter ...

(E) hydrogen bonding 1. When the electronegativity difference between two atoms is 2, what type of bond can be predicted? 2. If ...

*Fill in oval CE only if II is a correct explanation of I. ...

Chemical Formulas 4 These skills are usually tested on the SAT Subject Test in Chemistry. You should be able to... Recall and us ...

CATEGORY II—Binary ionic compounds where the metal forms more than one type of ionic compound with a given negatively charged io ...

Category I—Binary Ionic Compounds Category I binary ionic compounds are metallic ions from groups 1 and 2 of the Periodic Table. ...

element. Therefore the calcium ion, Ca2+, is called calcium and its chemical symbol appears first. The monoatomic anion with wh ...

To determine the formula for aluminum oxide, first write the ionic forms with their associated charges. Next move the numerical ...