1. Welcome to Class Silently Begin Do Now What elements are we? 1)I have 26 electrons. 2)My atomic number is 3. 3) My chemical symbol is K. 4) I have an atomic mass of 14 amu and 8 neutrons. Fe, Iron Potassium C, Carbon atomic mass = p + + n 14 = p + + 8 14 – 8 = p + 6 = p + Li, Lithium

2. Homework / Announcements Due: Text 332-334 Homework Isotope Worksheet Textbook 343-349 Sign up for turnitin.com Test: Tuesday October 27, 2015 Ongoing: Science Fair Project and USA TestPrep

3.  Title (underlined and on the top center of the page)  Background Information  Problem Statement: Identify the research question/problem and state it clearly.  Variables and Control Test: Independent, Dependent, and Controlled variables  Hypothesis: “if…, then…, because…” statement.  Null Hypothesis: It is the opposite of the hypothesis.  Materials:  Procedure:  Data: Ensure that all data is recorded in an organized way (data chart) Graphs: Remember TAILS  Results: Data analysis statement  Conclusion and Evaluation: Answer listed questions in at least three paragraphs A conclusion statement answers the following 7 questions in at least three paragraphs.  Reference Page: 5 references, APA style http://www.apastyle.org/ https://owl.english.purdue.edu/owl/resource/560/01/ http://www.apastyle.org/ https://owl.english.purdue.edu/owl/resource/560/01/ Parts of a Lab Report Check List

4. Double spaced 12 point font Arial, Times New Roman 1” Margins Heading: Name (first and last) Parts of a Lab Report Check List

5. Class codes 1 st period: 107808132 nd period: 10780883 4 th period: 107808936 th period: 10780895 Turnitin.com

6. L.O. SWBAT identify and draw atoms of the periodic table using Bohr’s model. Standard: SC.8.P.8.7 Table of Contents: Bohr’s model

7. With your table group Use your notes Quiz – Periodic Table Practice

8. Class Read Aloud Turn to page 343

9. How to Identify an atom What element am I? Step 1: Count the number of p + Step 2: # of p + = atomic # Step 3: Look at the periodic table for the atomic # Step 4: Identify the atom Answer: Lithium + + n n n n e-e- e-e- e-e- +

10. Pair - Share What element am I? Step 1 count the protons: Step 2 atomic number: Step 3 periodic table: Step 4 identify: 8 8 Oxygen + + + + + n n n n n n n n e-e- e-e- e-e- e-e- e-e- e-e- e-e- e-e- + + +

11. How to draw an atom Step 1: Find the atom on the periodic table. Step 2: Determine the number of p+, e -, and n Step 3: Draw the nucleus (p + and n) Step 4: Draw ring 1 (max. of 2 e - ) If needed, …. Step 5: Draw ring 2 (max. of 8 e - ) Step 6: Draw ring 3 (max. of 8 e - )

12. Carbon Let’s Practice ….

13. Beryllium, Be Now you do…..

14. 1. Isotope Worksheet 2. Textbook 343-349, 351-353 3. Sign up for turnitin.com 1: 107808132: 10780883 4: 107808936: 10780895 Independent Work