Picture/Example matter Picture/Example atom ple Picture/Example proton Picture/Example Picture/Example neutron Picture/Example electron le Picture/Example nucleus Picture/Example element xample Picture/Example compound Picture/Example molecule Picture/Example mixture Picture/Example reactant Picture/Example product Picture/Example soluble Picture/Example miscible anything that takes up space Example: the smallest unit of matter - located inside the nucleus - has a positive charge - located inside the nucleus - has neutral or NO charge - located outside nucleus - has a negative charge - center of the atom - made of protons & neutrons a form of matter made up of one type of atom. Atoms of element A Atoms of element B - made up of two or more elements (elements lose identity) - chemically combined Compound of elements A & B one unit of a compound - made up of two or more elements (elements keep identity) - physically combined - substances at the START of a reaction - written on the left side Mixture of elements A & B eggs flour milk sugar - substances at the END of a chemical reaction - written on the right side when a SOLID can dissolve in a liquid Example: when a liquid can dissolve in a liquid Example: Use your vocabulary foldable to fill in the sentences below. 1. Water is an example of a __________________________ because it is made of oxygen and hydrogen which are chemically combined. 2. At lunch I poured sugar into my iced tea. I observed the sugar dissolving into the iced tea and I realized sugar is _____________________________ because it seems to disappear. 3. When I drew the model of an atom, I knew the protons and neutrons must be placed in the ____________________________; the center of the atom. 4. My grandmother went into her hidden, wooden box and pulled out a small chunk of pure gold (Au). Since all the atoms are the same in it, it’s called an ______________________________. 5. If I make a plastic model of only one unit of salt (NaCL), I have made a __________________________. It takes millions of these units to make just one grain of salt. 6. When I make trail mix, adding dried fruit, M&M’s and nuts, the ingredients make a __________________________ because they are not chemically combined, they are physically combined. 7. My soccer ball is considered __________________________ because it has mass and takes up space. 8. In the nucleus (center of an atom), we find two types of atomic particles. The one with a positive charge is the __________________________. 9. In art class, we were making a sculpture. I started out with glue, clay and paint. These items were examples of __________________________ since they were what I was STARTING with. 10. I put the glue, clay and paint together and made a Spongebob statue! Since this is what I ENDED with, I called this my final __________________________. 11. The tip of a pencil is made up of MILLIONS of extremely small particles known as __________________________; they are the smallest unit of matter! 12. That crazy little negative atomic particle orbiting around outside the nucleus is called an __________________________. 13. My apple juice is too sweet. When I added water to the juice, it dissolved. This means apple juice is __________________________ in water. 14. Another particle found inside of the nucleus is a __________________________. It has a charge that sounds like its name, a neutral charge.