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Quiz

igcse Chemistry

Tom Green 6 perguntas 1.069 visualizações 4,0 (1 avaliação)

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Perguntas do quiz (6)

  1. 1Sodium Chloride is an example of [blank_start]ionic[blank_end] bonding.
    1. Aionic
  2. 2[blank_start]Covalent[blank_end] bonds take place between two [blank_start]non-metals[blank_end]. This happens by atoms sharing pairs of electrons. A [blank_start]covalent[blank_end] bond always has [blank_start]2[blank_end] electrons.
    1. ACovalent
    2. Bcovalent
    3. C2
    4. Dnon-metals
  3. 3Metallic Bonding occurs with a [blank_start]lattice[blank_end] of metal [blank_start]ions[blank_end] surrounded by a sea of [blank_start]delocalised[blank_end] electrons. The same applies for [blank_start]alloys[blank_end], however there will be at least 2 different types of metal ion in the [blank_start]lattice[blank_end]. Electrons can become [blank_start]delocalised[blank_end] easily because metals have [blank_start]few[blank_end] electrons in their [blank_start]outer[blank_end] shells.
    1. Alattice
    2. Bgroup
    3. Csea
    4. Datoms
    5. Eions
    6. Fdelocalised
    7. Gfree
    8. Hnegatively charged
    9. Imetal oxides
    10. Jmetallic compounds
    11. Kalloys
    12. Llattice
    13. Msea
    14. Ngroup
    15. Odelocalised
    16. Pbonded
    17. Qlost
    18. Rfew
    19. Smany
    20. Tno
    21. U6
    22. Vouter
    23. Winner
    24. Xintermediate
  4. 4Simple Covalent Bonds have a high melting/boiling point.
    1. AVerdadeiro
    2. BFalso
  5. 5Diamond and Graphite are both made purely of carbon.
    Graphite can conduct electricity because it has [blank_start]delocalised[blank_end] electrons.
    1. Adelocalised
  6. 6[blank_start]Ionic[blank_end] compounds cannot conduct [blank_start]electricity[blank_end] in their [blank_start]solid[blank_end] forms, but can when [blank_start]molten[blank_end]. This is because the charged [blank_start]ions[blank_end] are free to move in a [blank_start]liquid[blank_end], and can carry a [blank_start]charge[blank_end].
    1. AIonic
    2. BCovalent
    3. CMetallic
    4. Delectricity
    5. Eheat
    6. Fsolid
    7. Gliquified
    8. Hgaseous
    9. Imolten
    10. Jions
    11. Katoms
    12. Lsolution
    13. Mcharge

Informações

Descrição
A series of questions covering all topics in the igcse chemistry exam
Idioma
English
Visualizações
1.069
Avaliação
4,0 de 5 · 1 avaliação
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