What is Matter? (Part 1 – Glencoe chapter 18-1) I. Chemistry – the study of… - Differences in material ______relate to what the materials are made of A. Matter - Anything that has ______and takes up ______- Examples of matter  - Examples NOT matter  - have NO ______, have NO ______1. Element –

2. Atom –

3. Compound –

 contains unique ______from components 4. Molecule –

 can be 1 or more elements 5. Chemical formula – chemical ______and number of atoms of each type of ______found in a substance

Example: H2O -- water

subscript = number of ______of an element ___ hydrogen, ___ oxygen B. Pure substance or mixture? 1. Pure substance –

 Cannot be broken down ______Ex. ______and ______2. Mixture – Ex. - Mixtures can be separated a. – not uniform b. Homogeneous mixture – c. – able to dissolve in each other d. Immiscible – 3. Many types of mixtures (examples) a. Gas – liquid mixture  b. Gas – gas mixture  Examples: c. Solid – solid mixture  4. A homogenous mixture that remains constantly and uniformly (same throughout) mixed and has particles ______ that are so small they cannot be seen with a microscope is called a ______. ______ 5. A colloid is a heterogeneous mixture whose particles are not ______enough to settle to the bottom. ______ 6. The scattering of a light beam as it passes through a colloid is called the ______. ______ 7. A heterogeneous mixture containing a liquid in which visible particles settle is called a ______.