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;
16 Cards in this Set
- Front
- Back
COMPOUND |
A substance made of atoms of two or more different elements that are chemically combined. |
|
MOLECULE |
The smallest unit of a substance that keeps all of the physical and chemical properties of that substance. |
|
CHEMICAL BOND |
The attractive force that holds atoms or ions together. |
|
CHEMICAL STRUCTURE |
The arrangement of atoms in a substance. |
|
BOND LENGTH |
The average distance between the nuclei of two bonded atoms. |
|
BOND ANGLE |
The angle formed by two bonds to the same atom. |
|
BALL AND STICK MODELS |
Atomic models of balls (atoms) and sticks (bonds) that show bond lengths and angles. |
|
SPACE FILING MODELS |
Atomic models that show the relative size and volume of the compound. |
|
NETWORK STRUCTURE |
Tightly bonded atoms or ions that form a strong, rigid structure with a high melting point. |
|
IONIC BOND |
A bond formed by the attraction between oppositely charged ions. |
|
METALLIC BOND |
A bond formed by the attraction between positively charged metal ions and the electrons around them. |
|
COVALENT BOND |
A bond formed when atoms share one or more pairs of electrons. |
|
POLYATOMIC ION |
An ion made of two or more atoms. |
|
STRUCTURAL FORMULA |
Chemical symbols are used to represent a compound's structure. |
|
EMPIRICAL FORMULA |
The composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio. |
|
MOLECULAR FORMULA |
A chemical formula that shows the number and kinds of atoms in a molecule, but not the arrangement of atoms. |