• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

The Periodic Table - Revision Notes The numbers in italics are the page numbers of where more information can be found in the revision guide.

Extracts from this document...

Introduction

CD6 The Periodic Table Revision Notes The numbers in italics are the page numbers of where more information can be found in the revision guide. Elements and atom 6 Everything is made up of 100 different chemicals called elements . An element is a pure substance that is only made up of one type of particle called an atom. Each element has its own symbol on the periodic table. Eg Copper = Cu Oxygen=O An atom is made up of two parts. In the centre there is a small , heavy lump with a positive charge called the nucleus. On the outside small light ,negatively charged particles called electrons orbit around the nucleus. Nucleus (+ve) Electrons (-ve) An Atom Each element has two numbers on its symbol. The smaller number is the atomic number and tells you the number of protons in the nucleus of an atom of that element. The larger number is the atomic weight (Ar) ...read more.

Middle

The first column is called Group 1 . Elements in the same group have similar properties. There are eight groups of elements on the periodic table .(Groups 1,2,3,4,5,6,7,0) The number of the group that an element is in tells you the number of electrons that are in the outside shell of an atom of that element. Eg group 7 elements have 7 electrons in the outside shell of their atoms. 8 Group 1 59,60 The first group are called Group 1 or the alkali metals. The main elements are Li, Na, K . They are all very reactive . They must be stored under oil to stop them reacting with oxygen in the air. They have a dull outside layer which is made of oxide. They are soft and can be cut to reveal a shiny metal which quickly reacts with oxygen in the air. All of the group 1 elements react strongly with water to make hydrogen gas and an alkali solution of a hydroxide. ...read more.

Conclusion

Group 0 gases can be used in coloured lighting . Transition Metals 76 Transition metals do not fit into any group but they have these properties in common: 1. They are hard and shiny 2. They have high melting points 3. They are strong and dense. 4. They react with non-metals to make compounds which dissolve in water to make brightly coloured solutions. (eg Copper makes blue compounds, Iron makes orange or green compounds) Transition metal carbonates break down and make carbon dioxide gas when heated. They change colour in the process. Eg Copper carbonate heating Copper oxide + Carbon Dioxide gas (green powder) (black powder) Copper can be used to make water pipes. Iron is used as a catalyst. Solutions of transition metal ions can be identified by adding a solution of sodium hydroxide . A coloured precipitate (solid) is made. Name of transition metal ion Colour of precipitate made Copper Cu2+ Iron Fe2+ Iron Fe3+ Blue Green Orange Ions , Atoms and Molecules Any symbol that has an electrical charge on is an ion ( eg Cu2+ , Fe3+ , Cl- , O2- , I- ) Any symbo ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our GCSE Classifying Materials section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Here's what a teacher thought of this essay

5 star(s)

This is a very basic, but well explained, set of notes. It contains good, accurate information, but to a low level. Consider reading this if you are just beginning the topic for the first time.

Overall, this piece of work is 4 stars out of 5.

Marked by teacher Brady Smith 10/04/2013

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related GCSE Classifying Materials essays

  1. Marked by a teacher

    Chemistry revision notes. Atomic Structure and Bonding, Electrolysis, Acids and Alkalis.

    5 star(s)

    The positive and negative ions attract each other in a lattice Covalent Bonding 1. Covalent bonds are formed between 2 non-metallic elements. 2. The atoms share electrons in order to complete their outer shells. 3. The atoms all attain noble gas structure (complete outer shells).

  2. Marked by a teacher

    Chemistry Revision Notes on atomic structure, nuclear power and the periodic table

    4 star(s)

    Although Bohr's model explained why electrons did not spiral in towards the nucleus, it did not explain all the known properties of atoms. > 1930: Schrodinger modified Bohr's model of the atom, viewing electrons as continuous clouds. > 1932: Sir James Chadwick discovered that the nucleus contained particles called neutrons, as well as positively charged protons.

  1. Peer reviewed

    The Periodic Table

    4 star(s)

    Metals are in the left hand side of the Periodic table, and non-metals on the far right, this leaves the transitioning metals in the middle of the table. What are Protons, Neutrons and Electrons: In every atom's structure, they must contain a proton, an electron and also a neutron, Protons:

  2. Peer reviewed

    Rate of reaction between Calcium Carbonate and Hydrochloric Acid

    4 star(s)

    10) Put the measured 2g of marble chips (CaCO3) into the conical flask and immediately seal it with rubber bung and start the stopwatch. 11) CO2 bubbles will gradually replace the water in the measuring cylinder as the water level in the measuring cylinder will drop.

  1. Describe and explain the type of bonding in ethane, ethene, and benzene. Compare their ...

    Its stability makes it less reactive than ethene. There are two diagrams below, one showing the molecule benzene and another showing the ring of delocalised electrons: The reaction of bromine with ethane: C2H6 + Br2 --> C2H5Br + HBr This reaction takes place between ethane and bromine slowly and only in the presence of sunlight.

  2. Sludge Test Lab Report.

    We got the mass of the large and small test tube, and found that a large T.T weighed about 44.8 with a stopper. The small T.T weighed about 40.5 with stopper. The first layer of solid was a fine yellow powder.

  1. Determine the formula of the hydrate in hydrated copper (II) sulfate empirically, i.e. to ...

    sulfate can result in burning the anhydrous compound of copper (II) sulfate remnant, thus contaminating it with oxygen and altering the mass present in the crucible. This could lead to varying degrees of inaccuracy. * In contrast to burning the anhydrous compound, the heating could have failed to completely remove all the water - i.e.

  2. Calcium carbonate reacts with dilute hydrochloric acid according to the equation below

    I will repeat the whole experiment three times. This will allow me to get a large range of results, and make sure the results are as accurate and reliable as possible. I will be able to take averages from the results, which will reduce the effect of anomalous results.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work