Review!!Review!!

1.1. List 2 alkali metalsList 2 alkali metals

2.2. List 2 halogensList 2 halogens

3.3. What is the smallest nobel gas. What is the smallest nobel gas. Why is it stable?Why is it stable?

4.4. How many valence electrons do the How many valence electrons do the alkaline earth metals have?alkaline earth metals have?

5.5. List 2 nonmetals with 5 valence List 2 nonmetals with 5 valence electrons.electrons.

Play Element BingoPlay Element Bingo

Element Quiz on Friday!!Element Quiz on Friday!!

40 Symbols and Element Names40 Symbols and Element Names

Resources IntroResources Intro

What is the Law of What is the Law of conservation of matter?conservation of matter?

Matter can neither be created nor Matter can neither be created nor destroyed.destroyed.

HTTP://WWW.YOUTUBE.COM/WATCH?V=4PJOQ30DWVO

Renewable vs Renewable vs NonrenewableNonrenewable

What is the difference? What is the difference?

Give examples of each…Give examples of each…

Vocab TermsVocab Terms

Renewable Resource- Renewable Resource- is a natural resource is a natural resource with the ability to reproduce through with the ability to reproduce through biological or natural processes and biological or natural processes and replenished with the passage of time.replenished with the passage of time.

Nonrenewable ResourceNonrenewable Resource- a natural resource - a natural resource which cannot be reproduced, grown, which cannot be reproduced, grown, generated, or used on a scale which can generated, or used on a scale which can sustain its consumption ratesustain its consumption rate

Warm UpWarm Up

Spend about 10 minutes updating Spend about 10 minutes updating your Table of Contents.your Table of Contents.

I will be collecting CB on FridayI will be collecting CB on Friday

(maybe Monday)!(maybe Monday)!

BingoBingo

Element Quiz Friday!Element Quiz Friday!

Looking at our ResourcesLooking at our Resources

Read B.1 (p.134)Read B.1 (p.134)

Draw Figure 2.15 in your CB, label the Draw Figure 2.15 in your CB, label the layers of the earth and some layers of the earth and some examples of the composition.examples of the composition.

Questions for Table 2.3- Questions for Table 2.3- In CBIn CB

1.1. What metals are mined in the US and what What metals are mined in the US and what is the percent production?is the percent production?

2.2. What metals are mined in China and what What metals are mined in China and what is the percent production?is the percent production?

3.3. What percent of the total world production What percent of the total world production of lead occurs in the US?of lead occurs in the US?

4.4. What percent of the total world production What percent of the total world production of tin occurs in China?of tin occurs in China?

5.5. Why might China be more willing to use Why might China be more willing to use their natural resources than the US?their natural resources than the US?

What is Waste?What is Waste?

3R’s- What do these terms 3R’s- What do these terms mean… how can practice them mean… how can practice them

in your life?in your life?Reduce- Reduce-

Reuse-Reuse-

Recycle-Recycle-

What did we learn?What did we learn?

1. Conservation of matter tells us that 1. Conservation of matter tells us that there are only a set number of atoms.there are only a set number of atoms.

2. Some of our resources are renewable 2. Some of our resources are renewable and some are nonrenewable.and some are nonrenewable.

3. We need to take care of how we 3. We need to take care of how we dispose of substances so that we dispose of substances so that we maximize the use of the atoms.maximize the use of the atoms.

Take about 5 minutes to Take about 5 minutes to look through your look through your

elements!elements!

Element QuizElement Quiz

Extraction of Natural Extraction of Natural ResourcesResources

Important to the economy of the Important to the economy of the area.area.

Provide work for the people living Provide work for the people living in the area.in the area.

Provide the atoms necessary for Provide the atoms necessary for making all the things that we making all the things that we “need”.“need”.

Warm UpWarm Up

What are the shapes of the orbitals in What are the shapes of the orbitals in the Quantum Model.the Quantum Model.

What is the maximum number of What is the maximum number of electrons in each orbital?electrons in each orbital?

What did we learn?What did we learn?

1. Conservation of matter tells us that 1. Conservation of matter tells us that there are only a set number of atoms.there are only a set number of atoms.

2. Some of our resources are renewable 2. Some of our resources are renewable and some are nonrenewable.and some are nonrenewable.

3. We need to take care of how we 3. We need to take care of how we dispose of substances so that we dispose of substances so that we maximize the use of the atoms.maximize the use of the atoms.

Mining in ColoradoMining in Colorado

The extraction of minerals (elements) The extraction of minerals (elements) has been extremely important to the has been extremely important to the

economic stability of our state. economic stability of our state.

Natural ResourcesNatural ResourcesLeadville 1881Leadville 1881

1859- 1st Gold Mine1859- 1st Gold Mine

1878- Silver 1878- Silver DiscoveredDiscovered

Through the years the Through the years the Leadville area has Leadville area has been mined for lead. been mined for lead. manganese,bismuthmanganese,bismuth, zinc and , zinc and molybdenum.molybdenum.

Leadville 1890Leadville 1890

60,000 people were 60,000 people were trying to make trying to make their fortunestheir fortunes

14 smelting and 14 smelting and reduction plants.reduction plants.

3 Railroads operated 3 Railroads operated out of the out of the communitycommunity

Check out all the mines Check out all the mines in the Leadville area!in the Leadville area!

What affect did the mining What affect did the mining industry have industry have

on the environment?on the environment?

Renewable or Renewable or nonrenewable?nonrenewable?

Where did all these Where did all these miners eat and sleep?miners eat and sleep?

Renewable or Renewable or Nonrenewable?Nonrenewable?

Where did they

get food?

What about the water??What about the water??

Where did Where did they….they….

you know??you know??

Colorado Mining TodayColorado Mining Today Gold and SilverGold and Silver MolybdenumMolybdenum UraniumUranium CoalCoal LimestoneLimestone GypsumGypsum MarbleMarble ShaleShale NahcoliteNahcolite

Mines in Colorado TodayMines in Colorado Today

Coal MiningCoal Mining

We often see long We often see long trains with cars trains with cars full of coal taken full of coal taken from our from our mountains.mountains.

This coal is burnt to This coal is burnt to generate generate electricity.electricity.

Precious MetalsPrecious Metals

Gold and Silver are Gold and Silver are still mined in still mined in Colorado.Colorado.

You can find working You can find working mines (both big mines (both big and small) and small) scattered scattered throughout the throughout the state.state.

NahcoliteNahcolite

Sodium carbonate, Sodium carbonate, buried deep in the buried deep in the ground is extracted ground is extracted by injecting a hot by injecting a hot water solution that water solution that dissolves the dissolves the compound. The compound. The more concentrated more concentrated solution is then solution is then pumped out.pumped out.

So…..So…..

The extraction of minerals may be The extraction of minerals may be good for a community good for a community economically… but may have long economically… but may have long term negative effects.term negative effects.

Let’s recap!Let’s recap!

We can…We can…

1. Extract atoms from the earth (mining).1. Extract atoms from the earth (mining).

2. We can reuse atoms that have already 2. We can reuse atoms that have already been taken from the earth.been taken from the earth.

a. recyclea. recycle

b. reuseb. reuse

3. Recombine atoms to form compounds 3. Recombine atoms to form compounds that we need. (This is a new idea!)that we need. (This is a new idea!)

Turn in your CB…Turn in your CB…

Make sure you have the following Make sure you have the following

1. Build an atom computer 1. Build an atom computer activityactivity

2. Genesis scavenger hunt2. Genesis scavenger hunt

3. Wave Worksheet3. Wave Worksheet

4. A completed table of contents4. A completed table of contents

Let’s look at various ore Let’s look at various ore samples!samples!

Warm Up- Separate piece Warm Up- Separate piece of paper…NOT IN CB!!of paper…NOT IN CB!!

Reactivity LabReactivity Lab

Purpose- To look at the reactivity of Purpose- To look at the reactivity of different metals and determine an different metals and determine an activity series.activity series.

HypothesisHypothesis

Think about the number of valence Think about the number of valence electrons in an atom….Which metals electrons in an atom….Which metals do you think are most reactive?do you think are most reactive?

Metals with ____________ valence Metals with ____________ valence electrons will have _____________ electrons will have _____________ reactivity, because…… reactivity, because……

How does it work?How does it work?

A reaction takes place when electrons A reaction takes place when electrons move. The more reactive atom gives move. The more reactive atom gives its electrons to the less reactive atom its electrons to the less reactive atom

and “replaces” it in the compound.and “replaces” it in the compound.

Na is more active than LiNa is more active than Li

Na + LiCl Na + LiCl →→ Li + NaCl Li + NaCl

Materials ListMaterials List

As you do the lab, make a complete As you do the lab, make a complete list of the materials that you are list of the materials that you are using…using…

ProcedureProcedure

1.1. Place metals in the correct well.Place metals in the correct well.

2.2. Add the correct solution using the Add the correct solution using the plastic pipettes (be careful!)plastic pipettes (be careful!)

3.3. Make observations for any well that Make observations for any well that seems to react. Record color seems to react. Record color changes, formation of new changes, formation of new substances, bubbles…etc.substances, bubbles…etc.

Setting up your well Setting up your well plateplate

Copy this table onto your Copy this table onto your lablab1 2 3 4 5 6

A Mg

Mg

Fe Mg

Mg

Mg

B Fe Fe Zn Zn Fe FeC Zn Cu Cu Cu Zn ZnD Pb Pb Pb Pb Cu Cu

Make another table to Make another table to record observations…record observations…

1 2 3 4 5 6ABCD

Adding the SolutionsAdding the Solutions

Column 1- Cu(NOColumn 1- Cu(NO33))22

Column 2- Zn(NOColumn 2- Zn(NO33))22

Column 3- Mg(NOColumn 3- Mg(NO33))22

Column 4- Fe(NOColumn 4- Fe(NO33))22

Column 5- Pb(NOColumn 5- Pb(NO33))22

Column 1- Ag(NOColumn 1- Ag(NO33))22

Make a table to record your Make a table to record your observations!observations!

1A….turned green1A….turned green

2B… no reaction2B… no reaction

Be very detailed in your Be very detailed in your descriptions.descriptions.

What did you see?What did you see?

Warm Up- CB CheckWarm Up- CB CheckTotal = 70 ptsTotal = 70 pts

1.1. Circles w/goals- Circles w/goals- 5pts5pts

2.2. TOC- 10 entries TOC- 10 entries 5pts5pts

3.3. Classification of matter activityClassification of matter activity 5pts5pts

4.4. Chem/phys change activityChem/phys change activity 5pts5pts

5.5. What is dimensional analysisWhat is dimensional analysis 5pts5pts

6.6. Build an atom- 16 questionsBuild an atom- 16 questions 10pts10pts

7.7. Pioneers of Atomic TheoryPioneers of Atomic Theory 5pts5pts

8.8. Ion Notes (3pts) PT (2pts)Ion Notes (3pts) PT (2pts) 5pts5pts

9.9. Wave PictureWave Picture 5pts5pts

10.10. Earth Earth 5pts5pts

11.11. Genesis Scavenger HuntGenesis Scavenger Hunt 10 pts10 pts

12.12. Wave WSWave WS 5pts5pts

Setting up your well Setting up your well plateplate

Copy this table onto your Copy this table onto your lablab1 2 3 4 5 6

AMg Mg Fe Mg Mg Mg

BFe Fe Zn Zn Fe Fe

CZn Cu Cu Cu Zn Zn

DPb Pb Pb Pb Cu Cu

Valence ElectronsValence Electrons

Mg- 2Mg- 2

Zn- 2Zn- 2

Cu- 2Cu- 2

Fe- 2Fe- 2

Pb- 2Pb- 2

Ag- 2Ag- 2

When you look at the number When you look at the number of valence electrons, you of valence electrons, you notice that all the metals we notice that all the metals we used all the same number….used all the same number….

So it must have more to do So it must have more to do with where the electrons are with where the electrons are on the atom…on the atom…

Trend in ReactivityTrend in Reactivity

Reactivity increases down a group- the Reactivity increases down a group- the electrons are farther away from the nucleus.electrons are farther away from the nucleus.

Look at Bohr models for Li and KLook at Bohr models for Li and K

Reactivity decreases from left to right across Reactivity decreases from left to right across the PT because the orbitals are getting closer to the PT because the orbitals are getting closer to being complete…being complete…

Bohr model for Li and KBohr model for Li and K

Concluding QuestionsConcluding Questions

1.1. What evidence did you look for to determine if What evidence did you look for to determine if a reaction occurred?a reaction occurred?

2.2. Which were the most reactive metals? Why?Which were the most reactive metals? Why?

3.3. Which were the least reactive metals? Why?Which were the least reactive metals? Why?

4.4. List the metals from least reactive to most List the metals from least reactive to most reactive.reactive.

Write a nice paragraph that answers all the Write a nice paragraph that answers all the questions. Use complete questions. Use complete

sentenses.Don’t use personal pronounssentenses.Don’t use personal pronouns..