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Chemistry
| Vocabulary | Definition |
|---|---|
| What is an element? | A substance that can't be broken down to a smaller part. |
| How many naturally occurring elements are there? | 92 |
| What is an atom? | The smallest part of an element. |
| Atomic number | The amount of protons in an element. |
| Isotopes | When atoms have the same atomic number but different mass number. |
| First energy level | has one spherical s orbital |
| second energy level | max 8 electrons, one spherical s orbital |
| higher energy levels | has s and p orbitals, more complex shaped orbitals |
| Chemical bonds | The attraction, sharing, or transfer of outer shell electrons from atom to atom |
| Molecules | atoms that have combined chemically |
| Compound | two or more molecules combined |
| Molecular/chemical formula | solves for the number and type of atoms |
Created by:
shlsha1