Reading...
Play button
Play button
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;
15 Cards in this Set
- Front
- Back
|
Anion
|
any atom or group of atoms with a negative charge
|
|
|
Binary compound
|
a compound composed of two elements
|
|
|
Cation
|
any atom or group of atoms with a positive charge
|
|
|
Chemical formula
|
shows the number and types of atoms present in the smallest representative unit of a substance
|
|
|
Formula unit
|
the lowest whole-number ratio of ions in an ionic compound
|
|
|
ion
|
an atom or group of atoms that has a positive or negative charge
|
|
|
ionic compound
|
a compound composed of positive and negative ions
|
|
|
Law of definite proportions
|
in any sample of a chemical compound, the elements are always combined in the same proportion by mass
|
|
|
Law of multiple proportions
|
whenever two elements form more than one compound, the different masses of one element that combine with the same mass of the other element are in the ratio of small whole numbers
|
|
|
Molecular compound
|
a compound that is composed of molecules
|
|
|
molecular formula
|
a chemical formula that shows the actual number and kinds of atoms present in a molecule in a compound
|
|
|
molecule
|
a neutral chemically bonded group of atoms that act as a unit
|
|
|
monatomic ion
|
a single atom with a positive or negative charge as a result of losing or gaining valence electrons
|
|
|
polyatomic ion
|
a tightly bonded group of atoms that behaves as a unit and carries a charge
|
|
|
ternary compound
|
a compound containing atoms of three different elements, usually containing at least one polyatomic ion
|
