Term
|
Definition
| the measure of matter in an object |
|
|
Term
|
Definition
| anything that has mass and takes up space |
|
|
Term
|
Definition
| the smallest unit of an element that maintains the chemical identity of that element |
|
|
Term
|
Definition
| a pure substance that cannot be broken down into simpler, stable substances |
|
|
Term
|
Definition
| a substance made up of atoms from two or more elements joined by chemical bonds |
|
|
Term
|
Definition
| a characteristic that can be observed or measured without changing the identity of the substance |
|
|
Term
|
Definition
| a change that does not involve the change in the identity of the substance |
|
|
Term
|
Definition
| substance's ability to undergo changes to transform it into different substances |
|
|
Term
|
Definition
| a change that turns a substance into an entirely different substance |
|
|
Term
|
Definition
| a physical change of a substance from one state to another |
|
|
Term
|
Definition
| something that has a definite shape and a definite volume |
|
|
Term
|
Definition
| something that has no definite shape but has a definite volume |
|
|
Term
|
Definition
| something that has neither a definite shape or volume |
|
|
Term
|
Definition
| a fixed composition that has exactly the same characteristic properties and has exactly the same composition |
|
|
Term
|
Definition
| a blend of two or more kinds of matter that can either be homogeneous or heterogeneous |
|
|
Term
|
Definition
|
|
Term
|
Definition
| un-uniform in composition |
|
|
Term
|
Definition
| a vertical column of elements in the periodic table (see family) |
|
|
Term
|
Definition
| a vertical column of elements in the periodic table (see group) |
|
|
Term
|
Definition
| a horizontal row of elements in the periodic table |
|
|
Term
|
Definition
| elements that are good conductors of heat and electricity |
|
|
Term
|
Definition
| elements that are poor conductors of heat and electricity |
|
|
Term
|
Definition
|
|
Term
|
Definition
| how close the value is to the true or accepted value |
|
|
Term
|
Definition
| how reproducible the same value is |
|
|
Term
|
Definition
| an element that has the same number of protons but different number of neutrons |
|
|
Term
|
Definition
| equal to the number of protons plus the number of electrons |
|
|
Term
|
Definition
| a unit used for expressing masses in atoms or molecules |
|
|
Term
|
Definition
| a counting number for atoms |
|
|
Term
|
Definition
| (6.0221 x 10(^23) atoms / 1 mole |
|
|
Term
|
Definition
| grams of element (an average) / mole |
|
|
Term
|
Definition
| the lowest energy state of an atom or particle in its most stable state (neutral, no charge) |
|
|
Term
|
Definition
| an atom or partial with a charge |
|
|
Term
|
Definition
| holds electrons in shells |
|
|
Term
|
Definition
using numbers and letters, no indication of spin.
ex: 1s(^2), 2s(^2), ... etc |
|
|
Term
|
Definition
| an electron occupies the lowest energy orbital that can receive it |
|
|
Term
| Pauli exclusion principle |
|
Definition
| no more than two electrons in each drawer. when you have two electrons in the same drawer, they have to have different spins |
|
|
Term
|
Definition
| orbitals of equal energy are filled by placing a single electron in each orbital and then doubling up after that. when single electrons are placed in orbitals of equal energy, they must have the same spin state |
|
|
Term
|
Definition
|
|
Term
|
Definition
| when atoms give up electrons (form cations) |
|
|
Term
|
Definition
| the energy required to remove an electron from an atom |
|
|
Term
|
Definition
| when atoms gain electrons (forms anions) |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| electrons that are available for bonding |
|
|
Term
|
Definition
| measure of the ability of an atom to attract electrons from other atoms (there is no transfer of electrons! it's how badly an element wants an electron!) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| metal to nonmental bonding (transferring) |
|
|
Term
|
Definition
| nonmental to nonmetal bonding (sharing) |
|
|
Term
| nonpolar covalent bonding |
|
Definition
|
|
Term
|
Definition
| structure type for COVALENT bonds (this vs ionic compounds) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| a chemical compound where the simplest units are molecules |
|
|
Term
|
Definition
| a formula that shows the number of atoms in a molecule |
|
|
Term
|
Definition
| way to show an element with its valence electrons |
|
|
Term
|
Definition
| way to show bonds between COVALENT bonding |
|
|
Term
|
Definition
| a formula that indicates the location of atoms, number of bonds, and location of bonds |
|
|
Term
|
Definition
| structure type for IONIC bonds (this vs molecules) |
|
|
Term
|
Definition
a ratio of atoms - for IONIC bonding
ex. NaCL, MgO, LiBr |
|
|
Term
|
Definition
| the energy that holds the atoms together in an ionic compound |
|
|
Term
|
Definition
|
|
