Skip to main content

Join your FREE online community of students & teachers

L liked 5 days ago
Share Notes
LC French

Leaving Cert French : Written Expression – Journal Intime

Format

  1. Put the date in the top right e.g. le 15 mai 2013
  2. Begin with ‘Cher Journal’
  3. Sign it at the end with your Christian name

Ca y est pour aujourd’hui – A demain journal! Patrick/Patricia

Opening Phrases

  • Je viens de passer une journée horrible / moche / pénible / chouette / géniale / formidable
  • Qui a dit que la vie est belle ?
  • Qui a dit que l’argent n’apporte pas de bonheur ?
  • Comme il arrive des choses curieuses/géniale dans la vie !
  • Qu’est-ce que je suis fatigué(e) / bête !
  • Qu’est-ce que c’est déprimant !
  • Qu’est-ce qu’ils sont... (More)
L liked 10 days ago

Chemical Bonding Notes

  • Compound: two or more different elements combined together chemically
  • Octet Rule: when bonding occurs, atoms tend to reach an electron arrangement with 8 electrons in the outermost energy level
  • Ion: a charged atom or group of atoms
  • Ionic bonding: the force of attraction between oppositely charged ions in a compound. Formed by the complete transfer of an electron from one atom to another
  • molecule: a group of atoms joined together, the smallest particle of an element with can exist independently
  • valency: the number of atoms of hydrogen (or any monovalent element) with which each atom of the element combines
  • Transition... (More)
L liked 10 days ago
Share Notes
LC Chemistry

All Chemistry Definitions to Learn for Leaving Certificate - Higher Level

The Atom

  • Dalton’s Atomic Theory: All matter is made up of indivisible atoms which cannot be created or destroyed.
  • William Crookes discovered the Electron. Cathode ray tube.
  • JJ Thomson determined that electrons were negative. Found E/M ratio.
  • Robert Millikan’s Oil drop experiment discovered size of electron’s charge.
  • Plum Pudding Model: Solid positive sphere with electrons embedded.
  • Rutherford discovered the Nucleus. Fired alpha particles at gold foil. Proton.
  • Chadwick discovered the neutron by firing alpha particles at beryllium.
  • Energy level is the fixed energy value that an electron in an atom may have.
  • Heisenberg’s Uncertainty Principle states that it is... (More)
L liked 10 days ago
Share Notes
LC Biology

All Biology Definitions for Leaving Cert

The Scientific Method

  • Scientific Method is a process of investigation where problems are identified and their explanations are tested by carrying out experiments.
  • Observation : An unbiased, accurate report of an event.
  • Hypothesis : An educated guess based on observations.
  • Experiment : An experiment is designed to test a hypothesis.
  • Data : Consists of measurements, observations/information gathered during an experiment.
  • Replicate : A repeat of an experiment.
  • Control : A comparison used to provide a standard against which the actual experiment can be judged.
  • Theory : A hypothesis that has been supported by different experiments.
  • Principle/Law : A theory that... (More)