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Flashcards

Sem título

Ms A Vazquez Inglês 19 flashcards

Sem título

Flashcards do conjunto (19)

  1. 1An atom of Chloride is represented as -> What is the atomic number of chlorine?17An atom of Chloride is represented as -> What is the atomic number of chlorine?
  2. 2An atom of Chloride is represented as -> What is the mass number of chlorine?35An atom of Chloride is represented as -> What is the mass number of chlorine?
  3. 3Two isotopes of chlorine are Cl-35 and Cl-37. Explain in terms of particles the differences between their nucleiCl-37 has two neutrons more than Cl-35. Both atoms have 17 protonsTwo isotopes of chlorine are Cl-35 and Cl-37. Explain in terms of particles the differences between their nuclei
  4. 4Name the part of the atom that is labelled A on the diagram belowNucleusName the part of the atom that is labelled A on the diagram below
  5. 5The diagrams show the electronic structure of 4 different atoms. Write the group (periodic table) to which they belongAtom A: group O (noble gases)
    Atom B: group 1 (alkali metals)
    Atom C: group 1 (alkali metals)
    Atom D: group 5    The diagrams show the electronic structure of 4 different atoms. Write the group (periodic table) to which they belong
  6. 6The diagrams show the electronic structure of four different atoms. Write the symbol of the elements to which they belongAtom A: He
    Atom B: Li
    Atom C: Na
    Atom D: N    The diagrams show the electronic structure of four different atoms. Write the symbol of the elements to which they belong
  7. 7Name the two sub-atomic particles in the nucleus of an atomNeutrons and protonsName the two sub-atomic particles in the nucleus of an atom
  8. 8Which of the following atoms is unreactive? Why?Atom A/full outer shellWhich of the following atoms is unreactive? Why?
  9. 9Which two of these atoms have similar chemical properties?Atoms B and C, they both have 1 electron in the outer shell (they react by losing it)Which two of these atoms have similar chemical properties?
  10. 10State one similarity and one difference in the electronic structure of the following elementsSimilarity: same number of energy levels (2) - period 2
    Difference: Lithium has one electron in the outer shell, but fluorine has 7 - different properties    State one similarity and one difference in the electronic structure of the following elements
  11. 11State the trend in reactivity of the Group 1 elementsReactivity increases as you go down group 1State the trend in reactivity of the Group 1 elements
  12. 12State the trend in reactivity of the Group 7 elementsReactivity decreases as you go down group 7State the trend in reactivity of the Group 7 elements
  13. 13Draw the electronic structure of the following atomDraw the electronic structure of the following atomDraw the electronic structure of the following atom
  14. 14Draw the electronic structure of fluorineDraw the electronic structure of fluorine
  15. 15Which is more reactive, Which is more reactive? a) Potassium b) Rubidiuma) Potassium (reactivity increases as you go down group 1)
  16. 16Which is more reactive? a) Chlorine b) Iodinea) Chlorine
  17. 17Would a displacement reaction occur between the following reactants? Chlorine and sodium bromide solutionsYES! chlorine is more reactive than bromine, so it displaces bromine
  18. 18Name three transition metalsExample: gold (Au), Tungsten (W) and iron (Au)
  19. 19Which element am I? My atoms have 3 energy levels and one electron in the outer shellSodiumWhich element am I? My atoms have 3 energy levels and one electron in the outer shell

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FlashCards sobre Sem título, criado por Ms A Vazquez em 11-06-2017.
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Ms A Vazquez
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