Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Chemistry Ch 4-6
lolz
| Question | Answer |
|---|---|
| S Orbital | Sphere; 1 Orbital |
| P Orbital | Dumbbell; 3 Orbitals |
| Solid | Fixed Volume; Fixed Shape |
| Liquid | Fixed Volume; Takes on Shape of Container |
| Gas | No Fixed Shape or Volume |
| Solid to a Gas | Sublimation |
| Gas to a Solid | Deposition |
| Atoms are made of.... | Protons, Neutrons, & Electrons |
| Elements are made of... | Atoms |
| Compounds (Molecules) are made from... | Elements (In a fixed ratio) (Chemically Bound) |
| Mixtures are made from... | Combinations of elements and/or compounds (Not Chemically Bound or Fixed Ratio) |
| Homogeneous Mixtures | All Particles are Uniform and Mixed Thoroughly. (Salt water) |
| Heterogeneous Mixtures | Particles are nonuniform; Can be separated physically. (Pizza, Chicken Noodle Soup) |
| Elements | Can't be broken down; Made up of 1 type of atom. |
| Compounds (includes molecules) | 2 or more different elements combined (always fixed ratio) |
| Atomic Mass | Protons + Neutrons; Weighted Avg of All Isotopes |
| Physical Change | Does not change chemical composition (Melting, Hammering) |
| Chemical Change | Rearrangement of Atoms; Changes chemical composition (Fireworks) |
| Law of Conservation of Matter | Total mass is same during chemical reaction. |
| Produced 1st Periodic Table | Mendeleev (Arranged by mass instead of atomic #) |
| John Dalton | Atomic Theory & Law of Multiple Proportions |
| Law of Multiple Proportions | Elements combine in more than one ratio. |
| J.J. Thomson | Discovered electrons and its charge:mass ratio with Crookes Tube. |
| Robert Milikan | Discovers charge on electron with oil drop experiment. |
| Ernest Rutherford | Gold Foil Experiment. |
| James Chadwick | Discovers neutron by bombarding beryllium with alpha particles. |
| Isotope | Atoms with same atomic # but different mass numbers (Different # of neutrons) |
| Negatively charged atom | Anion |
| Positively charged atom | Cation |
| Aufbau Principle | Electrons fill energy positions from lowest to highest. |
| Hund's Rule | Electrons fill orbitals singly before pairing. |
| Atomic Radius | Distance from nucleus to outer electron cloud region. |
| Electron charge _____ as we move to the right of periodic table. | Decrease |
| Electrons charge _____ as you go down on the periodic table. | Increases |
| Valence Electrons | Outermost energy electrons; Involved in chemical reactions; Responsible for chemical nature of element. |
| Ionization Energy _____ across the periodic table. | Increases |
| Ionization Energy ______ down the periodic table. | Decreases |
| Metals have _____ electron affinity. | Low (They lose electrons) |
| Nonmetals have _____ electron affinities. | High (They gain electrons) |
| Isoelectronic | Same # of electrons |
| Anion (-) is always (bigger/smaller) than its parent atom. | Bigger (More electrons) |
| Cation (+) is always (bigger/smaller) than its parent atom. | Smaller (More protons than electrons) |
| Properties of Metal | High density, high melting point, conducts heat & electricity. |
| D Orbital | 5 Orbitals |
| F Orbital | 7 Orbitals |
Created by:
BboyTrue
Popular Chemistry sets