Atoms molecules elements compounds kids
[DOCX File]WordPress.com
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*** All compounds are molecules, but not all molecules are compounds. Hydrogen gas (H 2) is a molecule, but not a compound because it is made of only one element.Water (H 2 O) can be called a molecule or a compound because it is made of hydrogen (H) and oxygen (O) atoms.
[DOC File]Science Enhanced Scope & Sequence Grade 5
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2. Define and explain the characteristics of atoms, elements, molecules, and compounds. Hand out the attached datasheet and/or display drawings to help students visualize each term. Atoms. All matter is made up of atoms, which are so small that they can be seen only by using a very strong microscope.
[DOC File]STUDENT STUDY GUIDE FOR 8TH GRADE CHEMISTRY
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Elements. Compounds. Mixtures – homogeneous and heterogeneous. Physical changes and the 4 states of matter. Chemical changes. The Atom. Parts of an atom – electrons, protons, and neutrons. The construction of atoms and how the electrons fit in the shells. How structure relates to properties. The periodic table. Families or groups of atoms ...
[DOCX File]Cumulative Problems - Chemistry | University of Missouri
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Chapter 3: Molecules, Compounds, and Chemical Equations. How do the properties of compounds compare to the properties of the elements from which the compounds are composed? What is a chemical bond? Explain the difference between an ionic bond and a covalent bond. Explain the different ways to represent compounds. Why are there so many?
[DOC File]Name _________________________________________ Date
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The elements and/or compounds at the start of the reaction are rearranged into new product compounds or elements. A . CHEMICAL CHANGE. alters the composition of the original matter. Different elements or compounds are present at the end of the chemical change. The atoms in compounds are rearranged to make new and different compounds.
[DOC File]Grade 6
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Differentiate between the physical and chemical properties of selected substances (PS-M-A3) 5. Compare physical and chemical changes (PS-M-A3) 6. Draw or model the movement of atoms in solid, liquid, and gaseous states (PS-M-A4) 7. Simulate how atoms and molecules have kinetic energy exhibited by constant motion (PS-M-A4) 8.
[DOC File]Elements, Compounds & Mixtures Worksheet
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Over 100 existing elements are listed and classified on the _____. Compounds: A pure substance containing two or more kinds of _____. The atoms are _____ combined in some way. Often times (but not always) they come together to form groups of atoms called molecules. A compound is always homogeneous (uniform).
[DOC File]CHEMISTRY WORKSHEET INTRODUCTION TO CHEMICAL …
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Mar 14, 2012 · A molecule is a neutral particle of two or more atoms bonded to each other. Molecules may contain atoms of the same element such as N2, O2, and Cl2 or they may contain atoms of different elements like H2O, NH3, or C6H12O6. Therefore, covalent bonding is found in nonmetallic elements and in nonmetallic compounds.
[DOC File]Science Enhanced Scope & Sequence Grade 6
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Organizing Topic Investigating Atoms, Elements, Molecules, and Compounds. Overview Students use simple materials to make models of atoms of several elements. Related Standards of Learning 6.1d; 6.4a, b, c. Objectives. The students should be able to. create and interpret a simplified model of the structure of an atom;
[DOC File]Elements Found in Living Things
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Elements & Macromolecules in Organisms. Most common elements in living things are . carbon, hydrogen, nitrogen, and oxygen. These four elements constitute about . 95% of your body weight. All compounds can be classified in two broad categories --- organic and inorganic compounds. Organic compounds are made primarily of . carbon. Carbon has ...
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