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Quiz

Gcse additional chemistry

Oscar Patterson 11 Fragen 3,3 (3 Bewertungen)

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Fragen in diesem Quiz (11)

  1. 1 does Exothermic reactions give out more energy when new bonds are made

    1. ARichtig
    2. BFalsch
  2. 2How many electrons can go in each of the shells around the nucleus?
    1. A2 in first shell and 8 in the next energy levels
    2. B7 in the first shell and 10 in the next energy levels
    3. Cdoes not matter
  3. 3what is the atomic number
    1. Anumber of protons + number of neutrons
    2. Bnumber of protons
    3. Cnumber of neutrons
  4. 4An ion is an atom or a group of atoms with a [blank_start]positive[blank_end] charge or a [blank_start]negative[blank_end] charge.
    1. Apositive
    2. Bnegative
    3. Cneutral
    4. Dnegative
    5. Epositive
    6. Fneutral
  5. 5In endothermic reactions more energy is needed to break bonds of reactions

    1. ARichtig
    2. BFalsch
  6. 6Sodium gives a [blank_start]yellow/orange[blank_end] flame, potassium gives a [blank_start]lilac[blank_end] flame, calcium gives a [blank_start]brick-red[blank_end] flame and copper gives a [blank_start]blue-green[blank_end] flame.
    1. Ayellow/orange
    2. Blilac
    3. Cbrick-red
    4. Dblue-green
    5. Elilac
    6. Fyellow/orange
    7. Gbrick-red
    8. Hblue-green
    9. Ibrick-red
    10. Jyellow/orange
    11. Klilac
    12. Lblue-green
    13. Mblue-green
    14. Nyellow/orange
    15. Olilac
    16. Pbrick-red
  7. 7Why is barium sulfate safe to drink?
    1. Abecause its insoluble. ( can't enter the bloodstream)
    2. Bbecause it is opaque
  8. 8why can simple molecular covalent substances not conduct electricity?
    1. Abecause they have no ions
    2. Bthey have weak forces between bonds
    3. Cthey have small molecules
  9. 9Ionic bonds form when a metal reacts with a non-metal

    1. ARichtig
    2. BFalsch
  10. 10covalent bonds form between atoms of non - metal elements
    1. ARichtig
    2. BFalsch

Informationen

Beschreibung
GCSE Science (Chemistry) Quiz am Gcse additional chemistry, erstellt von Oscar Patterson am 14/03/2017.
Sprache
English
Aufrufe
21
Bewertung
3,3 von 5 · 3 Bewertungen
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