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
Ms Dixon chem exam
spring 2015
| Term | Definition |
|---|---|
| Scientific Notation | only one number to the left of decimal move decimal left = positive exponent move decimal right = negative exponent |
| Sig figs | non zeroes and trapped zeroes are ALWAYS significant trailing zeroes are ONLY important if there is a decimal leading zeroes are NEVER significant even if there's a decimal |
| SI unit for temperature | Kelvin |
| SI inti for time | second |
| SI unit for mass | kilogram |
| SI unit for length | meter |
| SI unit for electricity | Ampere |
| SI unit for amount | mole |
| Matter | anything that occupies space and has mass (solid, liquid, gas) |
| Physical Properties | properties that can be observed and measured without changing the chemical makeup of a substance (exp: weight, odor, color, density, melting point, boiling point) |
| Chemical Properties | Any quality that can be established by changing a chemical's makeup (exp: reactivity, combustibility, oxidation state, pH) |
| Atoms | The building blocks of matter, the smallest particle possessing the properties of an element |
| Element | Matter made from only one type of atom |
| compound | Matter made of 2 or more different types of atoms linked toegther |
| Molecule | Smallest part of a substance still retaining the properties of that substance |
| H | Hydrogen |
| He | Helium |
| Li | Lithium |
| Be | Beryllium |
| B | Boron |
| C | Carbon |
| N | Nitrogen |
| O | Oxygen |
| F | Fluorine |
| Ne | Neon |
| Na | Sodium |
| Mg | Magnesium |
| Al | Aluminum |
| Si | Silicon |
| P | Phosphorus |
| S | Sulfur |
| Cl | Chlorine |
| Ar | Argon |
| K | Potassium |
| Ca | Calcium |
| Sc | Scandium |
| Ti | Titanium |
| V | Vanadium |
| Cr | Chromium |
| Mn | Manganese |
| Fe | Iron |
| Co | Cobalt |
| Ni | Nickel |
| Cu | copper |
| Zn | Zinc |
| Ga | Gallium |
| Ge | Germanium |
| As | Arsenic |
| Se | Selenium |
| Br | Bromine |
| Kr | Krypton |
| Hg | Mercury |
| Au | Gold |
| Ag | Silver |
| Pb | lead |
| Xe | Xenon |
| Rn | radon |
| Sn | tin |
| Chemical Reactions | breaking and reforming of chemical bonds causing atoms to be arranged into new substances |
| Reactants | the starting materials in a reaction (left of arrow) |
| Products | the materials produced in a reaction (right of arrow) |
| proton | positively charged subatomic particle found in a cell's nucleus |
| electron | negatively charged subatomic particle found in a cell's electron cloud |
| neutron | subatomic particle with no charge found in the nucleus |
| Ions | Any atom or group of atoms with an electric charge |
| Cation | Positively charged Ion |
| Anion | Negatively charged Ion (suffix '-ide') |
| Polyatomic Ion | an ion (positively or negatively charged atom) consisting of a group of bonded atom |
| Mole | Avogadro's number= 6.02 x 10^23 |
| redox | the transfer of electrons that happens during a chemical equation |
| KMT | constant random motion straight line motion negligible volume no forces of attraction elastic collisions |
| Molar Rodmap | all roads lead to the mole |
| Striker | metal and flint instrument used to light things by emitting sparks |
| Atmosphere (layers from earth) | Troposphere,stratosphere, mesosphere, thermosphere, exosphere |
| concentration | the amount of solute per unit volume of solution |
| Bunsen burner | a small adjustable gas burner using gas |
| truncate | to cut off |
| theoretical yield | the amount predicted by a stoichiometric calculation based on the number of moles of all reactants present. |
| yield | product of a reaction |
| percent yield | the actual yield/theoretical yield x 100. actual yield. The amount of product actually obtained in a chemical reaction |
| porous | having minute spaces or holes through which liquid or air may pass |
| residue | a small amount of something that remains after the main part has gone or been taken or used |
| desiccate | remove the moisture from (something, especially food), typically in order to preserve it |
| buffer solutions | solution with either a weak acid and a base or a weak base and an acid |
| Acid | Any substance that generates or increases the concentration of Hydrogen (H+) ions in an aqueous solution |
| ,Base | Any substance that produces or increases the concentration of hydroxide (OH-) ions in an aqueous solution. |
Created by:
aussit123
Popular Chemistry sets