Term
| What is a chemical formula? |
|
Definition
| A chemical formula indicates the elements present and the number of atoms in each. |
|
|
Term
| What is an empirical formula? |
|
Definition
| An empirical formula only gives the relative number of atoms present in the molecule |
|
|
Term
| What is a molecular formula? |
|
Definition
| A molecular formula gives the actual number of atoms present in the molecule |
|
|
Term
| What is a structural formula? |
|
Definition
| Uses lines to represent the covalent bonds, shows how atoms in a molecule are connected or bonded to each other. |
|
|
Term
| What is a ball-and-stick model? |
|
Definition
| Represent atoms as balls and chemical bonds as sticks |
|
|
Term
| What is a space-filling molecular model? |
|
Definition
| Atoms fill the space betwen each other to more closely represent our best estimates for how a molecule might appear is scaled to a visible size |
|
|
Term
| What are molecular elements? |
|
Definition
| Occur as molecules (mostly diatomic). |
|
|
Term
| What are atomic elements? |
|
Definition
| Occur as individual atoms |
|
|