Update your Table of Contents Write your homework – leave it to be stamped Get your Ion Cheater Chart homework out to be checked – we will go over it to make sure it is correct! DateSession # ActivityPage # 10/1- 10/2 14 Elements, Compounds, Mixtures & Solutions Note Guide - Quick Comprehension Stations on the back 25 Compounds, Mixtures & Solutions Reading 26
Group/Family Name Alkali Metals Alkaline Metals Boron Family Carbon Family Nitrogen Family Oxygen Family HalogensNoble Gases Group/Family Number # of Valence Electrons # of empty spaces for e Giver or Stealer of e- GGG BOTH SSSN/A Type of ion formed CATION BOTHANION N/A Charge of ion formed /-4-3-2N/A Group # they bond with N/A
Atoms give away or steal electrons in order to happy and stable with a full valence shell! ◦ Atoms with less than 4 valence electrons tend to lose electrons. ◦ Atoms with more than 4 valence electrons tend to gain electrons.
Ionic = Transfer electrons; between a metal and a non-metal Covalent = Share electrons; between 2 non- metals Use the Periodic Table to determine if the following compounds are ionic or covalent: ◦ SO 2 ◦ CaCO 3 ◦ HCl ◦ NH 3 ◦ NaOH
Molecule = 2 or more atoms joined (can be the same element or more than one) Compound = 2 or more different elements joined in a chemical reaction Mixture = 2 or more substances combined Solution = A type of mixture that looks the same throughout
Pure substances made of only one type of atom MUST be on the Periodic Table OF ELEMENTS Combine to form all other types of matter Examples: Silver Calcium Oxygen
Single atoms of ONE pure element Molecules of ONE pure element
Two or more elements joined during a chemical reaction Must be combined in specific ratios Chemical Change/Reaction Examples: Water Salt Sugar
2 or more ELEMENTS that are CHEMICALLY bonded to one another
What is evidence that a chemical reaction is happening again?
Combines 2 or more substances without producing a chemical reaction = PHYSICAL CHANGE Different throughout = heterogeneous Basic mixtures can be separated easily Examples: Soil Fruit salad
2 or more SUBSTANCES MIXED together, but NOT chemically bonded.
A type of HOMOGENOUS MIXTURE - same throughout = STILL A PHYSICAL CHANGE Can be solids, liquids or gases Solute- substance being dissolved Solvent- substance doing the dissolving Examples: Salt water Lemonade Salt = Solute Water= Solvent Salt Water= Solution
It is also a mixture of 2 or more SUBSTANCES, but the particles will be evenly distributed throughout (homogenous)
A type of HETEROGENEOUS MIXTURE – different throughout Particles will not dissolve, (insoluble) or are suspended Examples: Face washes, hand sanitizer Snow globe
A type of HOMOGENEOUS SOLUTION Have an “in between” texture Examples: Jell-O Pudding
Read the “Compounds, Mixtures, and Solutions article, and use it to answer the questions. You may read & complete the questions with your table/group.
Visit each station and describe what you see using as many vocabulary terms from the article as you can…I want scientific explanations – (that means use vocabulary!!) Each station has multiple explanations…ticket time!!
NONE!!
Update your Table of Contents Write your homework – leave it to be stamped Take a Warm-Up from the front counter, complete both sides using your notes & your group…review/quiz each other when you finish. DateSession # ActivityPage # 10/3 & 10/6 15 Element, Compound, Mixture, Solution Warm- Up/Review 27 CSI Sarnelli: Separating a Solution Lab Guide 28
Heterogeneous = different throughout Homogeneous = same throughout Molecule = at least 2 atoms bonded together Compound = at least 2 different atoms bonded together Mixture = at least 2 substances mixed; heterogeneous Solution = at least 2 substances mixed; type of mixture that is homogeneous
Lab Roles: Leader – Reads the informational portions and directions for the lab Supply Manager – manages materials Discussion Leader – Reads the questions and begins a discussion Speaker – designated spokesperson to answer questions for the group when they are called on THE ENTIRE LAB SHOULD BE COMPLETED & CLEANED UP IN 20 MINUTES & YOU SHOULD BE IN YOUR SEATS READY TO DISCUSS THE RESULTS!!
Clean-Up: 1. Throw your chromatogram paper in the garbage. 2. Dump the water into your sink. 3. Bring your EMPTY cup & stick back to Ms. Sarnelli. 4. Set the graduated cylinder next to the sink where you found it.
I will show you a picture and your team will have 15 seconds to figure out what it is and write it down on your white board…YOU GET ONE CHANCE! Your answer will be one of the following: Element = E Compound = C Mixture = M Solution = S Your team will get a token in your cup for each picture you get correct! Goal: For your team to collect as many tokens in your cup as possible to win the candy!
Cool Whip
Gold
Methane – CH 4
Sweet Tea
Salt
Copper
Soil
Water
Silver
Sugar =
Air
Salad
Gasoline
Neon Gas in the Sign
Pebbles
Kool-Aid
Hydrogen Peroxide
Oxygen
Lucky Charms Cereal
Diamond
Read the directions and complete the “Sum It Up” Make sure your name is on it, make sure it is legible, and make sure it is in the basket before you walk out the door!
Chemistry Test 2 coming up soon!! ◦ A-day: Monday, Oct. 13 th ◦ B-day: Tuesday, Oct. 14th Start Reviewing!!
Update your Table of Contents Write your homework – leave it to be stamped Get a project guide off the counter and start to review the requirements. DateSession # ActivityPage # 10/7- 10/8 16 Adopt-An-Element Project Guide 29
Formal project grade 65%, SO READ THE DIRECTIONS! Use the rubric on the back as a checklist to make sure you have earned the grade that you want. Make sure your work is of the highest QUALITY & ACCURACY!!! You MUST have your Baby Book with you in class on the due date, so plan ahead! Use a Chromebook to research and/or type the required items & share what you have with yourself so you can access it at home! SIGN FOR THE CHROMEBOOK YOU ARE USING
Update your Table of Contents Write your homework – leave it to be stamped ◦ REMEMBER: The study guide is due BEFORE the test!! ◦ The test is next class! ◦ Project due in 2 classes! Be sure to have it with you the day it is due! DateSession # ActivityPage # 10/9 & 10/10 17 Search & Rescue Answer Sheet 30 Study Guide for Chemistry Test 2 31
The test is on Sessions 9-15 There will also be 10 review questions on information from the last test I will have tutoring on Monday morning & Tuesday morning next week before the test 8:15-8:45…bring specific questions! Complete the Study Guide & study your notes!
Property Physical Change Chemical Change Density Solubility Malleability Ductility Melting Point Boiling Point Magnetism Conductivity Specific Heat Precipitate Reactivity with Oxygen Flammability Toxicity Chemical Reactivity Ionic Bond Covalent Bond Valence Electrons Octet Rule Molecule Compound Mixture Solution Suspension Colloid Solvent Solute Insoluble Soluble Dilute Concentrated Heterogeneous Homogeneous
Update your Table of Contents Write your homework – leave it to be stamped ◦ Project due next class! Be sure to have your baby with you on the due date! DateSession # ActivityPage # 10/13 & 10/14 17 Testing Session (nothing to tape in) XXXX
Use the folders to create a barrier between you and your table partner You need a pencil, a periodic table, and your calculator – put everything else away
Work on your Adopt-An-Element Baby Book If you use a Chromebook make sure to SIGN IT OUT! SIGN OFF OF IT AND PLUG IT INTO THE CORRECT SPACE WHEN YOU RETURN IT!