Chm Notes

Alex Barlotta

Pizzolato

CHM1020

Chapter 3 “Matter” Vocabulary/Notes

Term | Definition | Notes |

Matter | The Material of the universe | >There are two characteristics of matter: has mass, and occupies space. >The state of a given sample of matter depends on the strength of the forces among the particles contained in the matter; the stronger the forces, the more rigin the matter. |

States of Matter | The three different forms in which matter can exist: Solid Gas Liquid | |

Solid | One of the three states of matter; has a fixed shape and volume. | |

Liquid | One of the three states of matter; has a fixed volume but takes the shape of the container. | |

Gas | One of the three states of matter; has neither a fixed shape nor fixed volume. | |

Physical Change | A change in the form of a substance but not in its chemical nature; chemical bonds are not broken in a physical change. | >Does not affect the composition of the substance |

Chemical Change | The change of substances into other substances through a reorganization of the atoms; a chemical reaction. | |

Physical Properties | A characteristic of a substance that can change without the substance becoming a different substance. | >Includes odor, color, volume, state, density, melting point, and boiling point. |

Chemical Properties | A process in which one or more substances are changed into one or more new substances by the reorganization of component atoms. | >refers to its ability to form new substances>Ex: Wood burning in a fireplace/sugar fermenting/ >A given substance changes to a fundamentally different substance or substances |

Reaction | | |

Element | A substance that cannot be decomposed into simpler substances by chemical or physical means. It consists of atoms all having the same atomic number. | |

Compound | A substance with constant composition that can be broken down into elements by chemical processes. | |

Mixture | A material of...