PPT-All substances are made from atoms.

There are about 100 different types of atoms An element is a substance which contains only one type of atom Atoms Atoms The Periodic Table The Periodic Table Element Compound Mixture Element Compound Mixture. Chapter 17:classification of matter. MATERIALS ARE MADE OF A . PURE SUBSTANCE. . OR A . MIXTURE OF SUBSTANCES. .. A . PURE SUBSTANCE. , or simply a substance, is either an element . ( iron or silver) . Matter. Matter. Anything that has mass, and takes up space.. Everything in the physical world is made up of matter.. ……so then what makes up matter?. Atoms. The smallest particle that can still be identified as the matter it came from is an atom.. By Ms. Renfro. The two categories of matter. Pure Substances. Are . chemically. the same throughout. Mixtures. Substances that are . not chemically combined. Pure substances. Pure substances include:. Collin College. Lecture Presentation. Chapter . 1-1. Matter, Measurement,. and Problem Solving. What Do You Think?. What do you think . is the most important idea in all of human knowledge?. If we limit ourselves only to scientific answers, it would be this:. What happens in a Chemical Reaction?. Chemical . bonds. in the reactants are . broken. , then atoms are . rearranged. to form new substances (. products. ). . The amount of . matter. does not . change. What happens in a Chemical Reaction?. Chemical . bonds. in the reactants are . broken. , then atoms are . rearranged. to form new substances (. products. ). . The amount of . matter. does not . change. Pure substances cannot be broken down by physical means.. Pure substances . contain . only one kind of molecule.. Molecules are small groups of atoms that make up matter. Example: Water is a molecule of two hydrogen atoms, and one oxygen atom. How can matter be classified?. Atoms . are the smallest unit of an element that maintains the properties of that element.. The most basic ingredients to . all . matter. Atoms can be combined in three majors ways:. The Barrel Mystery. Ryan Kelly,Marla Arrington,Maureen Bruins. What happens when unidentified, hazardous wastes are left abandoned?. This module focuses on the physical and chemical properties of substances. Students explore the contents of a barrel of simulated hazardous waste as they learn to physically separate, test, and identify substances in a mixture. Matter and Measurement. Lecture Presentation. Chemistry. Chemistry is the study of the . properties. and . behavior. of . matter. .. It is central to our fundamental understanding of many science-related fields.. Add the new notes to your . table of contents. , and then turn to the next clean page and set up your title and date. Tape the two slides into your INB flat down, directly under your title - they do not need to flip up. The structure of atoms dictate their properties. How atoms combine dictate what we see in the many . minerals. in nature. . New technologies allow us to peer ever closer at the minute structures of minerals, down to the scale of individual atoms.. Atomic Theory. Science is based off of observations.. A Scientific Law is a summary of what is seen in observations. . A Scientific Theory is an explanation of why these observations are occurring.. Chemical . Formulas. Chemical formula . - A shorthand notation for a compound or diatomic element.. Shows the elements and how many atoms of each element are in the compound/molecule.. C. 6 . H. 12. O.