Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
21 Cards in this Set
- Front
- Back
|
ion |
an atom that has gained or lost one or more electrons, thus acquiring a charge |
|
|
ionic bond |
a chemical bond resulting from the attraction between oppositely charged ions |
|
|
isotope |
a variant form of an atom. The variant form has the same number of protons but different numbers of neutrons |
|
|
molecule |
a group of two or more atoms held together by covalent bonds |
|
|
neutron |
an electrically neutral particle (a particle having no charge) found in the nucleus of an atom |
|
|
nonpolar covalent bond |
a type of bond in which electrons are shared equally between two atoms of similar electronegativity |
|
|
nucleus |
an atoms central core, containing protons and neutrons |
|
|
pH scale |
a measure of the relative acidity of a solution, ranging in value from 0 (most acidic) to 14 (most basic). The letters stand for potential hydrogen and refer to the concentration of hydrogen ions (H*) |
|
|
polar covalent bond |
a type of bond between atoms that differ in electronegativity. The shared electrons are pulled closer to the more electronegative atom, making it slightly negative and the other atom slightly positive |
|
|
polar molecule |
an item containing polar covalent bonds |
|
|
product |
an ending material in a chemical reaction
|
|
|
proton |
a subatomic particle with a single positive electrical charge, found in the nucleus of an atom |
|
|
radioactive isotope |
a variant form of an element whose nucleus decays spontaneously giving off particles and energy |
|
|
reactant |
a starting aterial in a chemical reaction |
|
|
salt |
a compound resulting from the formatino of ionic bonds; also called an ionic compound |
|
|
solute |
a substance that is dissolved in a solution |
|
|
solution |
a liquid consisting of a homogeneous mixture of two or more substances consisting of a dissolving agent, called the solvent, and a substance that is dissolved, called the solute |
|
|
solvent |
the dissolving agent of a solution. Water is the most versatile dissolving agent known. |
|
|
surface tension |
a measure of how difficult it is to stretch or break the surface of a liquid. Water is a good example of this phenomenon due to the hydrogen bonding of surface molecules |
|
|
temperature |
a measure of the intensity of heat in degrees, reflecting the average kinetic energy or speed of molecules |
|
|
trace element |
an item that is essential for life but required in extremely minute amounts |
