PPT-Compounds, Elements & Mixtures

1 st Year Chemistry 1 Elements Elements amp Atoms All substances are made up from tiny particles called atoms When a substance is made up of only one type of atom it is called an element The element iron is made up of iron atoms the element hydrogen is made up of hydrogen atoms the element sulphur is made up of sulphur atoms and so on. Mr. McMartin. Beta Science. Vocabulary. Compound: a pure substance composed of two or more elements that are chemically combined.. Compounds. Made of two or more elements that are chemically combined.. Mixtures may be separated by many different techniques based on differing physical and/or chemical properties. Sorting. Simply picking apart the different components. This can be easy and obvious…. Chapter 2. Bamboo has properties that make it a good choice for use in chopsticks. It has no noticeable odor or taste. It is hard, yet easy to split, and it is heat resistant. You will learn how properties can be used to classify and identify matter.. September . 17, . 2012. . Ms. Smith. Mrs. Malone. DO NOW:. Date. : . September 17, 2012. TEKS 6.5B Recognize that . a limited number of the many known elements comprise. the largest portion of solid . Mr. McMartin. Beta Science. Vocabulary. Compound: a pure substance composed of two or more elements that are chemically combined.. Compounds. Made of two or more elements that are chemically combined.. Introduction. matter. : anything having mass and volume. . mass. :. . weight. :. . volume. :. . units: . L, dm. 3. , mL, cm. 3. . state of matter. :. . the amount of matter in an object. . the pull of gravity on an object. 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. – anything that has mass and takes up space.. vocabulary. word!. atom. - The atom is the smallest unit of a substance that maintains the properties of that substance.. It is so small, it would take a million atoms lined up to equal the thickness of a human hair.. Pure Substances. A sample of matter that has definite chemical and physical properties.. Elements. Atoms. Compounds. Molecules. Elements. pure substance that cannot be separated into simpler substance by physical or chemical means. . Atoms, Elements, & the Periodic Table Earth Science Intro Unit What is an Atom? Atom S mallest particle into which an element can be divided and still be the same element Building blocks of matter. 2014EdusmartGR 4 Teacher GuideGrade 4Separating MixturesTEKS 45Matter and EnergyThe student knows thatmatter has measureable physical properties and those properties determine how matter is classified Early in the 19. th. century John Dalton developed atomic theory. His theory explained the best available experimental data at that time. His theory has been modified since then with the discovery of other data, but his work was the initial ground work that we will examine first.. . (. b) Compounds. Specific . Aim : To appreciate the idea pure substances, to know about Elements and . Compounds to . be able to identify both Elements and compounds present around us, to know . Elements v. Compounds. Element – Oxygen . Compound – Carbon Dioxide. The Letters of Life. Just like words are made up of letters, compounds are made up of elements. Water. Baking Soda. Capsaicin.