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Sophie Davis Chem
Chemistry
| Question | Answer |
|---|---|
| Define the Ground State of an element | When all the electrons occupy the lowest available orbital. |
| Define Excited State | An unstable condition where electrons have been exposed to stimuli which causes the to absorb energy and move to a higher energy level |
| What are some of Dalton's Theories? | 1. Compounds in an element have fixed proportions2. All atoms of a given element are identical3. Atoms are neither created nor destroyed4. Elements are composed of tiny particles known as atoms |
| What is an Ionic Compound? | A compound made of a metal and a nonmetal |
| What is Pauli's Exclusion Principle? | Electrons in the same orbital must occupy different spins |
| What is Hund's Rule? | When illustrating electrons in a compound each box must have at least one electron before moving to the next orbital. |
| What are Sigma Bonds? | Single Bonds |
| What are Pi Bonds? | An overlapping of electrons after hybridization |
| What is the exception to the Octet Rule? | When compounds form coordinate covalent bonds |
| For a given amount of gas at a constant temperature...(Boyle's Rule) | Pressure is inversely proportional to volume |
| What is Charles' Law? | Volume is directly proportional to temperature at constant pressure. |
| At constant volume....(Gaye Lusak's Law) | Pressure is directly proportional to temperature. |
| What does evaporation have a cooling effect? | Because the lectrons that leave from the surface have a higher kinetic energy than they should. |
| What is Vapor Pressure? | The pressure a gas exerts on upon its own liquid |
| When does a liquid boil? | When Vapor Pressure (Vp=1atm) |
| What is the equivalent of 1 atm in mmHg? | 760 mmHg |
| What is Henry's Law? (Gases) | The amount of gas dissolved is directly proportional to the pressure applied. |
| Higher temperatures makes gas... | less soluble |
| Higher temperature makes solids | more soluble |