Matter.pdf

 I’m a container with a wide bottom and a narrow neck. I'm often used in the laboratory for mixing liquids by swirling. Who am I?  I’m a container with a wide bottom and a narrow neck. I'm often used in the laboratory for mixing liquids by swirling. Who am I?  I'm...

 I’m a container with a wide bottom and a narrow neck. I'm often used in the laboratory for mixing liquids by swirling. Who am I?  I’m a container with a wide bottom and a narrow neck. I'm often used in the laboratory for mixing liquids by swirling. Who am I?  I'm a flat, woven mesh that is used as a support for laboratory equipment. I can be placed over a Bunsen burner to distribute heat evenly. Who am I? I'm a flat, woven mesh that is used as a support for laboratory equipment. I can be placed over a Bunsen burner to distribute heat evenly. Who am I? I'm a long, thin piece of glass. I'm used to mix or stir substances in containers. Who am I? I'm a long, thin piece of glass. I'm used to mix or stir substances in containers. Who am I? We are a pair of laboratory tools. We are used to grind or crush substances. Who are we?  We are a pair of laboratory tools. We are used to grind or crush substances. Who are we? I'm used to measure mass. I have three beams with sliding weights. Who am I? I'm used to measure mass. I have three beams with sliding weights. Who am I?  WHY DO YOU NEED TO STUDY CHEMISTRY?  WHAT IS CHEMISTRY? MATTER  MAT T E R is anything that occupies space and has mass.  STATES OF MATTER SOLID LIQUID GAS  WHAT MAKES MATTER SOLID, LIQUID, OR GAS?  MICROSCOPIC MACROSCOPIC Particles are tightly Has definite shape SOLID packed and volume Has indefinite Particles are far LIQUID shape and has from each other definite volume Particles are very Has no fixed shape GAS far from each other and volume  PLASMA is often called the fourth state of matter. It is a highly ionized gas.  Classification of Matter Matter Pure Substance Mixture Element Compound Homogeneous Heterogeneous  Classification of Matter Pure Substance Mixture -has definite formula or symbol -contains 2 or more substances A. Element -has no chemical formula -with one kind of atom Metal A. Homogeneous Non-metal -uniform appearance Metalloid B. Heterogeneous B. Compound -consist of 2 or more physically -combination of 2 or more distinct phases elements Identify whether the following is an element, a compound, or a mixture. If it is a mixture, classify it further as homogeneous or heterogeneous mixture. 1. Brass 6. Air 2. Calcium carbonate 7. Vinegar 3. Rubbing alcohol 8. Fruit jams 4. Sulfur 9. Methane 5. Sugar 10.Baking soda