Junior Cert Science Elements and Compounds iQuiz SECOND Press the F5 Key to Begin, Then click on this Blue Box FIRST In PowerPoint 2007 if you see a Security.

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Presentation transcript:

Junior Cert Science Elements and Compounds iQuiz SECOND Press the F5 Key to Begin, Then click on this Blue Box FIRST In PowerPoint 2007 if you see a Security Warning click HERE on Options… and then click on  Enable this content

What is an element? A substance on the Periodic Table A substance made up of different atoms Protons, neutrons And electrons A substance made up of only 1 type of atom

What is a molecule? 2 or more atoms chemically combined 2 or more atoms mixed together 2 elements mixed together 2 atoms mixed together

Which of these is not a molecule? H2OH2OC CH 4 O2O2

What is a compound? 2 or more atoms chemically combined 2 or more elements mixed together 2 or more atoms mixed together 2 or more elements chemically combined

Which of the following is not a compound? NaClCO 2 HCLBe

Which of the following is a mixture? SaltOxygen AirHydrochloric Acid

Atoms are made up of Protons and Neutrons Protons, Neutrons And Electrons Molecules Protons and Elecrons

Which particles are found in the Nucleus? Protons and Neutrons Neutrons and Electrons Protons and Electrons Protons, Neutrons And Electrons

Which particles have a mass of 1 AMU? Only Protons Protons and Neutrons Only Neutrons Protons and Electrons

Which is the smallest of these particles? AtomProton ElectronNeutron

What does the atomic number represent? The no. of Neutrons The no. of atoms The no. of Electrons and Protons The no. of Protons

What does the mass number of an element represent? The no. of Neutrons The no. of atoms The no. of neutrons and Protons The no. of electrons and protons

How many electrons can fill the first shell? 12 34

How many electrons can fill every shell other than the first?

Isotopes are atoms of the same element which have different numbers of …….? ElectronsProtons AtomsNeutrons

How did you do? Click this Blue Box to find out Topic iQuiz