The oxides of elements in Period 3 L.O.:  Explain the physicals properties of the oxides in terms of their structure and bonding.  Describe the reactions.

Slides:

Advertisements

Similar presentations

Periodic Trends in Period 3

Advertisements

Acids, Bases, and Solutions

Chapter 14 Acids, Bases, and pH.

The attraction between a hydrogen atom on one water molecule and the oxygen atom on another Hydrogen bond.

Title: Lesson 4 Period 3 Oxides

Conjugate Acids and Bases The species that remains after a Brønsted-Lowry acid has given up a proton is the conjugate base of that acid. Chapter 14 Section.

Acid / Base Equilibria A Practical Application of the Principles of Equilibrium.

Explaining Acids and Bases Section 6.4 pg

Copyright©2000 by Houghton Mifflin Company. All rights reserved. 1 Models of Acids and Bases Arrhenius Concept: Acids produce H + in solution, bases produce.

Chapter 6 Chemistry in Biology

Advanced Higher Chemistry Unit 1 The oxides, chlorides and hydrides.

COVALENT BONDS Chapter 5 Section 3.

Created by C. Ippolito January 2007 Acids, Bases, and Salts Objectives: 1.Distinguish 1.Distinguish among strong, weak, and non electrolytes 2.Compare.

13.1. Period 3: Oxides and Chlorides

Periodic Relationship among the Oxides, Chlorides & Hydrides

Neutralization 1. HAVE YOU SEEN ME? 2 3 Terminology Acids compound that produces H + ions when mixed with water pH 4.

Periodicity HL and SL 3.1 The periodic table The periodic table is a list of all the elements in order of increasing atomic number. Elements are placed.

Basic Chemistry & Chemical Bonds. Subatomic Particles Proton (+) Electron (-) Neutron (n) Nucleus of an atom contains protons and neutrons Electrons orbit.

Objectives To learn about reactions between strong acids and strong bases To learn about the reaction between a metal and a nonmetal To understand how.

pH What is the pH of an ACID? Which type of OXIDE forms an ALKALI? Which type of OXIDE forms an ACID? What happens to the pH of an ACID when it is diluted?

Chemical Properties. Syllabus Statements 3.3 Chemical properties Discuss the similarities and differences in the chemical properties of elements.

PART 3: Oxides and chorides of the third period (sodium  argon)

Arrhenius Acids and Bases. Arrhenius acid = acid that produces H+ in aqueous solutions Arrhenius base= base that produces OH- in aqueous solutions.

ACIDS, BASES, and SALTS. An acid is a(n) ________________ compound. Most molecular compounds, if they are soluble in water, dissolve differently from.

A. An Arrhenius _____ is a chemical compound that increases the concentration of ________________ ions (H +1 ), in aqueous solution. The hydrogen ions.

Hydrolysis and Neutralization

Electrical Conductivity

10.5 Equilibria in Salt Solutions LO: I understand how the pH of a salt solution comes about.

Properties of Oxides Across a Period (when added to water) basicacidic 8.6.

Acids and Alkalis LO: Describe what happens when acids are mixed with water (D) Explain what is making a solution acid or alkali (C) Investigate acids.

Yellowblue. Neutralization of Acids and Bases Titration Curve of a Neutralisation Reaction pH of Acid solution starts off very low  SA Base is being.

Hydrolysis and Neutralization

+Dissociation- H H Oδ-δ-δ+δ+ H H Oδ-δ-δ+δ+ A. When an _____ compound made of ____ dissolves in water, the ____ ________ from one another. This is called.

C2 REVISION – CHAPTER 1 – STRUCTURES & BONDING

Do Now When should we do our next assessment – After chapter 3 (like Mondayish….) – After chapter 4 (chapter 4 is BIG….5 sections…much work to be done)

PART 3: Oxides and chorides of the third period (sodium  argon) adapted from Mrs. D. Dogancay.

Acid-Base Notes. Acid- Compound that forms hydrogen ions (H + ) when dissolved in water Base – compounds that forms hydroxide ion (OH - ) when dissolved.

Chapter 6: Chemical Reactions.  Identify and write equations for acid– base reactions.

Acids and Bases in Solution. Acids  An acid is any substance that produces hydrogen ions (H+) in water.  Hydrogen ions cause the properties of acids.

Acid/Base Properties of Salt Solutions Salts Ionic compounds When dissolved in water, salts may behave as acids, bases.

Models of Acids and Bases Arrhenius Concept: Acids produce H + in solution, bases produce OH  ion. Brønsted-Lowry: Acids are H + donors, bases are proton.

Ionic Equations. Net Ionic Equations AgNO 3 (aq) + NaCl(aq) AgCl(s) + NaNO 3 (aq) What happens when you put AgNO 3 and NaCl in water?

Aqueous Solutions Water is the dissolving medium, or solvent.

(2.2) CHEMICAL COMPOUNDS (p ; ). Chemical Formulas The short form of a chemical compound is called the chemical formula. H2OH2O Symbol for.

10.3 Strong and Weak Bases LO: I understand the difference between strong and weak bases.

Acid/Base Chemistry Science 10. Water – another view Normally we consider water as a covlent compound with the following formula: Normally we consider.

Title: Lesson 4 Period 3 Oxides Learning Objectives: Understand and explain the trend in acid-base behaviour of the period 3 oxides Complete an experiment.

The Alkali Metals – Li, Na, K, Rb, Cs (Fr is unstable and scarce) -Low density largest atoms in each period with lowest mass in each period -Soft weak.

Topic 13 - Periodicity. Ionic properties High melting and boiling point Conduct electricity in molten and aqueous states Crystalline solids Soluble.

Topic 3.1 The periodic table 1. Assessment Statements Discuss the similarities and differences in the chemical properties of elements in the same.

13.1 REACTIONS OF PERIOD 3 ELEMENTS

ACID-BASE NEUTRALIZATION REACTIONS: A special type of double-replacement reaction. An acid reacts with a base and neutralizes it. The equation will always.

Chapter 3: Periodicity Higher level. Period 3 oxides (continued) You need to be able to talk about the structure of the oxides as well as the bonding.

METALLIC AND NON-METALLIC OXIDES

Chapter 2 Section 2 Properties of Water

TOPIC: WATER, the neutral substance Do Now. Water self-ionizes H 2 O(l) + H 2 O(l)  H 3 O +1 (aq) + OH -1 (aq) H 3 O +1 H 3 O +1 = hydronium ion OH -1.

Acid-Base Properties of Salt Solutions Chapter 8.6.

C2 7.3 Making salts from solutions (aq) (l) The indicator shows when the acid and alkali have completely reacted …... L/O How we * make salts from acids.

6.3 Water and Solutions.

Acids and Bases Acid-Base Reactions.

? ? ? ? ? ? Bonding in MgO Bonding in Na2O Ionic Ionic

Neutralisation Starter: What ions are found in acids?

9/1/2017 the Chemistry of Life.

Chapter 11: Oxygen, Aqueous Solutions, Acid-Base Character of Oxides

UNDERSTANDING ACIDS and ALKALIS

9/1/2017 THE CHEMISTRY OF LIFE.

Acids and Bases Prentice Hall pp

Chemical Compounds Chapter 10.

Presentation transcript:

The oxides of elements in Period 3 L.O.:  Explain the physicals properties of the oxides in terms of their structure and bonding.  Describe the reactions of the oxides with water.

ElementNaMgAlSiPS Formulae of oxideNa 2 OMgOAl 2 O 3 SiO 2 P 4 O 10 SO 3 Structure of oxideIonic Mostly ionic Giant covalent Molecular covalent Melting point of oxide /°C

Ionic oxides contain the O 2- ion. This is a strongly basic ion which reacts with water to produce hydroxide ions: O 2- (aq) + H 2 O(l)  2OH - (aq) Thus all ionic oxides are BASIC.

ElementNaMgAlSiPS Formulae of oxides Na 2 OMgOAl 2 O 3 SiO 2 P 4 O 10 SO 2 SO 3 Acid-base character of oxide Basic Amph oteric Acidic pH of solution when dissolved in water (insolu ble) 7 (insolu ble) 0-12 – 3 (SO 2 ) 0-1 (SO 3 )

Exam questions (not Q5) Mark scheme