During the summer the earth is tilted Toward the sun Away from the sun

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Presentation transcript:

During the summer the earth is tilted Toward the sun Away from the sun JUST DO IT 3.11.13 Daily Riddle In Question During the summer the earth is tilted Toward the sun Away from the sun

Today in your notebooks Left side items Right side items States of matter BP States of matter notes S olid, liquid, gas HW Bill Nye phases of matter Phase changes graph Molecular kinetic energy notes Atom diagram, brainpop Atoms notes Element box calculations Element box notes P, N, E practice HW Periodic table worksheet PT groups/famillies, PT brainpop PT notes

Periodic table 3.11.13 1) 2) 3) PERIOD: ROWS, have the same number of electron shells, as you move across the shell fills up GROUP: Colums, have the same number of OUTER MOST ELECTRONS 3) The PT is organized into different areas. In these areas the elements have similar properties. Alkali metals, Alkali Earth metals: groups 1 and 2 Transition metals: groups 3-12 Semimetals: some elements around groups 13 and 14 Halogens: group 17 Noble gases group 18

Bonding (Right) What is a chemical bond? What is a molecule? What is a compound? 4) What are the three types of bonds? How are they different? 5) What is a polar molecule? CHEMICAL BOND: An attraction between atoms, forms a chemical substance MOLECULE: Atoms of a single element or different element joined together COMPOUND: one or more molecules joined together 4) IONIC: a transfer of electrons. Breaks down into ions. COVALENT: a sharing of electrons. Breaks down into molecules HYDROGEN: the bond between a hydrogen atom and an electronegative atom (O,N, F) 5) POLAR MOLECULE: a molecule with a positive and negative side

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