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Leonardo BonucciScience teacher

Skills:

Physics, Chemistry, Math, Computers and Electronics, Biology, Engineering and Technology, Medicine and Dentistry.

Summary:

He is expert an extensive list of achievements along all the years. Your expertising level is something you don't see easily with a high level education. The expert will give all the instructions in easy and compreensive way.

Description

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What You will Learn

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Pellentesque lacus vamus lorem arcu semper duiac

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Explore the best Concepts

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Course Syllabus

Syllabus content at a glance

/Experimental techniques

- Measurement
- Criteria of purity
- Methods of purification

/Atoms, elements and compounds

- Atomic structure and the Periodic Table
- Bonding: the structure of matter
- Ions and ionic bonds
- Molecules and covalent bonds
- Macromolecules
- Metallic bonding (Extended candidates only)

/Stoichiometry

- Stoichiometry
- The mole concept (Extended candidates only)

/Acids, bases and salts

- The characteristic properties of acids and bases
- Types of oxides
- Preparation of salts
- Identification of ions and gases

Syllabus aims and assessment objectives

/Knowledge with understanding

- scientific phenomena, facts, laws, definitions, concepts and theories
- scientific vocabulary, terminology and conventions (including symbols, quantities and units)
- scientific instruments and apparatus, including techniques of operation and aspects of safety
- scientific and technological applications with their social, economic and environmental implications

/Handling information and problem solving

- locate, select, organise and present information from a variety of sources
- translate information from one form to another
- manipulate numerical and other data
- use information to identify patterns, report trends and draw inferences
- present reasoned explanations for phenomena, patterns and relationships
- make predictions and hypotheses
- solve problems, including some of a quantitative nature

/Experimental skills and investigations

- demonstrate knowledge of how to safely use techniques, apparatus and materials (including following a sequence of instructions where appropriate)
- plan experiments and investigations
- make and record observations, measurements and estimates
- interpret and evaluate experimental observations and data
- evaluate methods and suggest possible improvements

Syllabus Content

/The particulate nature of matter

Core
- State the distinguishing properties of solids, liquids and gases
- Describe the structure of solids, liquids and gases in terms of particle separation, arrangement and types of motion
- Describe changes of state in terms of melting, boiling, evaporation, freezing, condensation and sublimation
- Describe qualitatively the pressure and temperature of a gas in terms of the motion of its particles
- Show an understanding of the random motion of particles in a suspension (sometimes known as Brownian motion) as evidence for the kinetic particle (atoms, molecules or ions) model of matter
- Describe and explain diffusion
Supplement
- Explain changes of state in terms of the kinetic theory
- Describe and explain Brownian motion in terms of random molecular bombardment
- State evidence for Brownian motion
- Describe and explain dependence of rate of diffusion on molecular mass

/Experimental techniques

Criteria of purity
- Name appropriate apparatus for the measurement of time, temperature, mass and volume, including burettes, pipettes and measuring cylinders
- Demonstrate knowledge and understanding of paper chromatography
- Interpret simple chromatograms
- Identify substances and assess their purity from melting point and boiling point information
- Understand the importance of purity in substances in everyday life, e.g. foodstuffs and drugs
Methods of purification
- Describe and explain methods of purification by the use of a suitable solvent, filtration, crystallisation and distillation (including use of fractionating column). (Refer to the fractional distillation of petroleum in section 14.2 and products of fermentation in section 14.6.)
- Suggest suitable purification techniques, given information about the substances involved
Supplement
- Interpret simple chromatograms, including the use of Rf values
- Outline how chromatography techniques can be applied to colourless substances by exposing chromatograms to substances called locating agents (Knowledge of specific locating agents is not required.)

/Atoms, elements and compounds

Core
- State the relative charges and approximate relative masses of protons, neutrons and electrons
- Define proton number (atomic number) as the number of protons in the nucleus of an atom
- Define nucleon number (mass number) as the total number of protons and neutrons in the nucleus of an atom
- Define isotopes as atoms of the same element which have the same proton number but a different nucleon number
- State the two types of isotopes as being radioactive and non-radioactive
- State one medical and one industrial use of radioactive isotopes

Comments

Marry Thomsan

Thu, Mar 19, 2016 07:27:08 am.
Reply

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- John Doe
  
  Thu, Apr 3, 2016 07:27:08 am.
  Reply
  
  Curabitur at vestibulum sem. Aliquam vehicula neque ac nibh suscipit ultrices. Morbi interdum accumsan arcu nec scelerisque ellentesque id erat sem, ut commodo nulla. Sed a nulla et eros fringilla. Phasellus eget purus nulla.
  - Marry Thomsan
    
    Thu, Apr 4, 2016 07:26:28 am.
    Reply
    
    Curabitur at vestibulum sem. Aliquam vehicula neque ac nibh suscipit ultrices. Morbi interdum accumsan arcu nec scelerisque ellentesque id erat sem, ut commodo nulla. Sed a nulla et eros fringilla. Phasellus eget purus nulla.
Lisa White

Thu, Apr 27, 2016 07:27:56 am.
Reply

Curabitur at vestibulum sem. Aliquam vehicula neque ac nibh suscipit ultrices. Morbi interdum accumsan arcu nec scelerisque ellentesque id erat sem, ut commodo nulla. Sed a nulla et eros fringilla. Phasellus eget purus nulla.