Metals Revision

Transcript of Metals Revision

Metals Revision

Properties and Reactions of Metals

Properties of Metals

• Usually Solids

• Tough

• Shiny

• Conduct Electricity

• Conduct Heat

Properties of Non Metals

• The Opposite!

• Solids, Liquids and Gases

• Weak and Brittle

• Dull

• Do Not conduct electricity or heat

Reactions of Metals with Acid

METAL + ACID SALT + HYDROGEN

Test for Hydrogen?Burns with a squeaky pop!

Acid and Carbonate Rule

Acid + Carbonate Salt + Water + Carbon Dioxide

Test For Carbon Dioxide?

Turns limewater milky

REACTION RULE

Acid + Metal Oxide Salt + Water

Equations

Copper Oxide + Sulphuric Acid Copper Sulphate + Water

CuO + H2SO4 CuSO4 + H2O

Reaction Rule

Acid + Alkali Salt + Water

Reaction Equations

Potassium + Hydrochloric Potassium + WaterHydroxide Acid Chloride

KOH + HCl KCl + H2O

pH Scale

• Using indicator will tell you the pH of the substance you are investigating

• Match the colour to the chart

• pH of Less than 7 = Acid• pH of Over 7 = Alkali• pH = 7 = Neutral

pH of Less than 7 = AcidpH of Over 7 = Alkali

pH = 7 = Neutral

What do these Safety symbols stand for?

http://images.google.co.uk/imgres?imgurl=http://z.about.com/d/chemistry/1/0/C/d/corrosive.jpg&imgrefurl=http://chemistry.about.com/od/healthsafety/ig/Laboratory-Safety-Signs/Corrosive.htm&usg=__JIibxEuZpfIBu7YNJUu1zcX05Ck=&h=500&w=500&sz=13&hl=en&start=1&um=1&tbnid=vruc4cVp_nUYRM:&tbnh=130&tbnw=130&prev=/images?q=corrosive&hl=en&rlz=1R2ADFA_enGB336&sa=N&um=1

http://images.google.co.uk/imgres?imgurl=http://z.about.com/d/chemistry/1/0/H/d/harmfulirritant.jpg&imgrefurl=http://chemistry.about.com/od/safetysignsandsymbols/ig/Poison-Warning-Signs/Harmful-or-Irritant-Sign.htm&usg=__2uohELRxOzD7V6Da_udXJTZQNq4=&h=500&w=500&sz=13&hl=en&start=3&um=1&tbnid=QBgSzstBgwAblM:&tbnh=130&tbnw=130&prev=/images?q=harmful&hl=en&rlz=1R2ADFA_enGB336&um=1

http://images.google.co.uk/imgres?imgurl=http://www.procuro.co.uk/images/toxic.png&imgrefurl=http://www.procuro.co.uk/Facts%20on%20PCB.html&usg=__LdtbnR-KhA8kpky0x8S7I2VWuLw=&h=500&w=500&sz=31&hl=en&start=2&um=1&tbnid=j1r5byalPCNtsM:&tbnh=130&tbnw=130&prev=/images?q=toxic&hl=en&rlz=1R2ADFA_enGB336&um=1

http://images.google.co.uk/imgres?imgurl=http://www.bookofratings.com/img/danger-explosive.jpg&imgrefurl=https://bbs.stardestroyer.net/viewtopic.php?f=7&t=129776&start=0&usg=__X2vDskbUlBCN_bBkkZNWAAiadTY=&h=125&w=125&sz=37&hl=en&start=18&um=1&tbnid=6cDNrMcW7XIPCM:&tbnh=90&tbnw=90&prev=/images?q=explosive+sign&hl=en&rlz=1R2ADFA_enGB336&um=1

http://images.google.co.uk/imgres?imgurl=http://z.about.com/d/chemistry/1/0/D/d/flammable.jpg&imgrefurl=http://chemistry.about.com/od/sciencefairprojects/ig/Science-Fair-Project-Pictures/Flammable-Sign.-Ln5.htm&usg=__UzQ-FDB6lKrN5YbSweZ_4bT7B80=&h=500&w=500&sz=14&hl=en&start=1&um=1&tbnid=7k3Mhvf-gndWQM:&tbnh=130&tbnw=130&prev=/images?q=flammable&hl=en&rlz=1R2ADFA_enGB336&um=1

Try Writing Formula Equations

Magnesium + Oxygen Magnesium Oxide

Sodium + Hydrochloric Sodium + WaterHydroxide Acid Chloride

Sulphuric + Copper Copper + Water + Carbon Acid Carbonate Sulphate Dioxide

Metals Revision

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Transcript of Metals Revision

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