Unit 6 Chemical Bonds SPS1b. Compare and contrast

Unit 6  Chemical Bonds SPS1b. Compare and contrast

Unit 6 Chemical Bonds SPS1b. Compare and contrast ionic bonds in terms of electron position. SPS2b. Predict formulas for stable and binary ionic compounds based on balance charges. SPS2c. Use IUPAC nomenclature for transition between chemical names and chemical formulas. What part of the ATOM makes the bonding of two elements possible?

Unit 6 Activator Work in groups of 4. One student per group chooses an element from Group 1, 2, 17, or 18. Each student should pick a different group to pick from. The other students in the group then find that element on the periodic table and determine how many outer electrons the element has. HINT: you could draw a Bohr Model to help you figure this out.

Bohr Model Refresher 18 Energy Level 3 8 Energy Level 2 2 Energy Level 1

Unit 6 Activator Answers Group 1 Most Reactive Group 2 Group 17 Group 18 NON Reactive

TOD/HW Using your Student Learning Map On a piece of paper use Unit 6 Standards and Elements Standard is the SPS# Element is the a,b,c part Take the standards and create a brace map breaking down the standards and the elements.

Bridge Map Analogies Define: Atoms: Compound: Create an analogy of your own. Unit 6 Chemical Bonds SPS1b. Compare and contrast ionic bonds in terms of electron position. SPS2b. Predict formulas for stable

and binary ionic compounds based on balance charges. SPS2c. Use IUPAC nomenclature for transition between chemical names and chemical formulas. ACTIVATOR: Answer the 2 (red) questions in your notes Jigsaw puzzles can have hundreds or thousands 1. Where do the

of pieces. To complete remaining pieces the puzzle, you need to belong? How do you know? infer how each piece fits together. Size, 2. How might a compound and its shape, and markings all individual elements give clues as to how the

compare to a puzzle pieces should be placed and its pieces? to make a picture. The magic number for valance electrons is what? 8

Octet (8)Rule.. An atom is chemically stable when its outer energy level is COMPLETE. Elements are stable when they contain EIGHT

valence electrons. The exception is Hydrogen and Helium that are stable with TWO electrons. The magic number for valance electrons is what? 8

What charge is an electron? Electron Dot diagrams A way of keeping track of valence electrons. How to write them Write the symbol. Put one dot for each valence electron Dont pair up until they have to

X The Electron Dot diagram for Nitrogen Nitrogen has 5 valence electrons. First we write the symbol. Then add 1 electron at a time to each side. Until they are forced to pair up. N

Example Draw a dot diagram for Be: TOD! Complete the dot diagrams OMIT chemical formulas on Back Side! ACTIVATOR Write the electron dot diagram for Na

F Mg Ne C O He I

Unit 6 Introduction Foldable pg 604 How many valence electrons does an atom want to have? 8 Make 8 flaps on foldable Label Out side of Flaps

Group 1 Group 2 Group 13 Group 14 Group 15 Group 16

Group 17 Group 18 Inside of Flaps Write the correct number of Valence Electrons that goes with the group number

Group 1 = Group 2 = Group 13 = Group 14 = Group 15 = Group 16 = Group 17 = Group 18 =

Complete the worksheet! Front side is examples of single atom dot diagram. 1 20 (omit any transition metals) And top chart on back. STOP when done! You do not do the bottom chart (YET!) Create a BAR Graph for Groups (1, 2, 13, 14, 15, 16, 17, 18) vs.

Number of Valence Electrons Graph! Turn in TOD! TOD Answer today's essential question (EQ) and turn in. EQ: How does the interaction of valence electrons form chemical compounds?

What type of bond is this? Draw the dot diagram for the compound formed using: K and Br ACTIVATOR Draw the dot diagram for the compound formed using: #1- K and Br #2 - Mg and S #3 Na and

F What type of bonds are formed with both of these compounds? Na and Cl Ca and Se Complete Part 2 from yesterday

Bottom data table! Omit Cl and Cl Omit At and At Omit Chemical Formula Column TURN IN as TOD Entire Paper Graded Tonight Dot Diagrams Showing Chemical Compounds

Elements Compound Formed Type of Bond Chemical Formula KEEP your current event ! You can use it for next Monday. GET CLICKERS PERIODIC TABLE OUT

NOTE BOOK OUT AND OPEN Activator: copy chart and complete in your notes section Element Group # Valence Electrons Gain or

Lose Electrons To Get to 8 Rb Sr Ga N Te Br Kr

How many electrons being gained or lost Oxidation number and charge Cation or

an Anion GET 8 EIGHT Different Colors Color Code: Groups vs. Valence Electrons Valence Electrons on Top Add Oxidation Numbers Group 14 +/- 4

KE Group 1= 1 V.E. Group 1 = 1 V.E. Oxidation Numbers on Bottom OMIT OMIT Activator: copy chart and complete in your notes section Element

Group # Valence Electrons Gain or Lose Electrons To Get to 8

Li Mg B S Cl K Mg How many electrons being gained or

lost Oxidation number and charge Cation or an Anion (we will come back and do this column)

What is a bond? (define in your own words) A chemical bond is the Two types of bonds: force that holds atoms Ionic taking or gaining together in a compound. Covalent sharing A chemical bond is not permanent. What is an ion? (define in your own words)

Draw the ion for Na and Cl if they formed a compound. An ion is a charged particle because it now has either more or fewer electrons than protons. Its the electrical forces between oppositely charged particles, such as ions that hold

compounds together. Ionic Bonds Ionic bond is when an atom gains or loses electrons (Keep in mind that electrons are -) These bonds form between metals and nonmetal. For example GROUP 1 bonds with GROUP ? When an atom loses an electron (-) it becomes over all Positive making a CA+ION When an atom gains an electron (-) it becomes over all Negative making a ANION

Chemical Compound Formation Use these words to complete the flow map: Anion, cation, compound, bond, ion ,neutral, and define each! Use your textbook (BLUE) to create a Double Bubble for Ionic Bonds (pg. 610) vs. Covalent Bonds (pg. 611) Use page 608 for similarities. IONIC

COVALENT Marriage Forming of a bond is like marriage More stable exothermic Divorce

Less stable Endothermic The breaking of a bond relates to a divorce. Ionic Bonds What is an Ionic Bond? - An Ionic Bond is a chemical bond resulting

from the TRANSFER of electrons from one bonding atom to another When is an ionic bond formed? - An ionic bond is formed when a cation (positive ion) transfers electrons to an anion (negative ion). What are some characteristics of an ionic bond? 1. Crystalline at room temperatures 2. Have higher melting points and boiling points

compared to covalent compounds 3. Conduct electrical current in molten or solution state but not in the solid state 4. Polar bonds Covalent Bonds What is an Covalent Bond? - A covalent bond is a chemical bond resulting from SHARING of electrons

between 2 bonding atoms. What forms a covalent bond? - A covalent bond is formed between two nonmetals. What are some characteristics of a covalent bond? 1. Covalent bonds have definite and predictable shapes. 2. Very strong 3. Low melting and boiling

points Practice Identifying: Ionic Bond or Covalent Bond 1. CaCl2 2. CO2 3. H2O 4. OMIT 5. K2O 6. NaF 7. OMIT

8. CH4 9. SO3 10. LiBr 11. MgO I 12. OMIT 13. HCl 14. KI 15. OMIT 16. NO2 17. OMIT 18. FeCl3

19. P2O5 20. N2O3 ANSWERS CaCl2 IONIC 11. MgO IONIC 2. CO2 COVALENT 12. NH4Cl BOTH 3. H2O COVALENT 13. HCl COVALENT 4. BaSO4 BOTH 14. KI IONIC 5. K2O IONIC 15. NaOH BOTH 6. NaF IONIC 16. NO2 COVALENT 7. Na2CO3 BOTH 17. AlPO4 BOTH 8. CH4 COVALENT 18. FeCl3 IONIC

9. SO3 COVALENT 19. P2O5 COVALENT 10. LiBr IONIC 20. N2O3 COVALENT Activator Write and Answer the following questions in your notebook. 1. 2. 3. 4. 5. 6.

7. What is an ion? What is an ionic bond? What is a covalent bond? What is a valence electron? What is the oxidation number for K? What is the oxidation number for F? Which one K or F is the cation? New Topic EQ: How are the names and formulas

of ionic compounds written? 1+ 0 2+ 3+ 4+ 3- 2- 1- Use the information and create a flow map.

Now flip paper over and we will complete together. Activator Practice Examples Element Oxidation # Element Potassium

Chlorine Calcium Chlorine Sodium Oxygen Boron

Phosphorus Lithium Sulfur Aluminum Oxygen Beryllium

Iodine Calcium Nitrogen Sodium Bromine Oxidation #

Chemical Formula Chemical Compound TEST Friday January 19th Atomic Trading Cards Get a BLUE book Turn to Page 607

Take out a piece of paper. Take notes over the video Chemical Bonding. At least 10 facts. After the video you will have a quiz. Define 1. 2. 3. 4.

5. 6. 7. Atom Ion Force Compound Atomic Stability Octet Rule Valence Electrons

8. Chemical Bond 9. Ionic Bond 10. Covalent Bond 11. Oxidation Number 12. Neutral Take your element card and Create a table like the following Element 1 Element 2

Covalent/Ionic Formula Get with three people and complete the table in your notes. Activator Make a bridge map for the following: Ionic Taking Covalent Sharing

Activator Write the questions and the answers in your notes section. What groups do CARBON and SILICON belong to? Are these two elements more likely to gain electrons, lose electrons, or share electrons when they form compounds?

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