Student Planner Place this in the proper place January 4, 2016 Get a new notebook

Summary: NONE

Answer the last class’s EQ which was: Essential Question: None

Identify the 3 parts to an atom with their electric charges. Topic/Objective: Name: Introduction to Atoms Class/Period: Date: Jan 4, 2016 Essential Question: Identify the 3 parts to an atom with their electric charges.

Warm Up

Write the following in the Warm Up Triad 4 Pretest Chemistry

Pretest Triad 4 Chemistry

1. Which of the following best describes an atom? A protons and electrons grouped together in a random pattern B protons and electrons grouped together in an alternating pattern C a core of protons and neutrons surrounded by electrons D a core of electrons and neutrons surrounded by protons

2. Which of the following is found farthest from the center of an atom? A nucleus B proton C neutron D electron

3. Within a substance, atoms that collide frequently and move independently of one another are most likely in a A liquid. B solid. C gas. D crystal.

4. What is the name of the indicated atom in the acetic acid molecule shown below? A carbon B calcium C chromium D copper CH3 C O H

5. Iron oxides, such as rust, form when iron metal reacts with oxygen in the air. What are the chemical symbols for the two elements found in iron oxide? A I and O B Ir and O C Fe and O D Pb and O

6. What do the elements sulfur (S), nitrogen (N), phosphorus (P), and bromine (Br) have in common? A They are noble (inert) gases. B They are nonmetals. C They have the same thermal conductivity. D They have the same number of protons.

7. Copper (Cu) reacts with oxygen (O) to form copper oxide (CuO) 7. Copper (Cu) reacts with oxygen (O) to form copper oxide (CuO). The properties of CuO are most likely A different from copper or oxygen. B similar to both copper and oxygen. C similar only to copper. D similar only to oxygen.

8. A diagram of the periodic table of the elements is shown below. 1 3 2 4 In which region of the table would nonmetals be found? A 1 B 2 C 3 D 4

9. As a sample of water turns to ice, A new molecules are formed 9. As a sample of water turns to ice, A new molecules are formed. B the mass of the sample is increased. C the arrangement of the molecules changes. D energy is absorbed by the molecules

10. The following equations represent chemical reactions 10. The following equations represent chemical reactions. Which equation shows that the total mass during a chemical reaction stays the same? A 1 B 2 C 3 D 4 1 2Na + 2H2O 2 H2 + O2 3 4 NaOH + H2 H20 Mg + Cl2 MgCl2 NaCl + MgOH NAOH +MgCl2

Homework Get a new notebook - sewn composition book, college ruled, 100 sheet.

1. Pre-test - vocabulary words Today’s Work 1. Pre-test - vocabulary words 2. Pass out notebooks, grade sheets, final test 3. Review grade sheets, final test. 4. Pass out out of class passes. Pass out parent permission forms for new students. Copy definitions for vocabulary

Vocabulary Words Atom Theory Model Nucleus Electrons Electron Clouds 17

2. Model: a representation of an object or system. 1. Atom: the smallest particle into which an element can be divided and still retain all the properties of that element. 2. Model: a representation of an object or system. 3. Theory: a unifying explanation for a broad range of hypotheses and observations that have been supported by testing 17

4. Nucleus: the tiny, extremely dense, positively charged region in the center of an atom; made up of protons and neutrons 5. Electrons: the negatively charged particle found in all atoms; electrons are involved in the formation of chemical bonds. 6. Electron clouds: the regions inside an atom where electrons are likely to be found. 17