Atoms, elements and compounds revision questions

1. 1Name three allotropes

   1. AGraphite,Diamond & Charcoal
   2. BTable salt & Beach sand
   3. CCarbon dioxide & Oxygen
2. 2What is the only metal that is liquid at room temperature?

   1. AMercury
   2. BBromine
3. 3Give three examples of compounds that are made up of molecules ?

   1. AAir, Sand & Table salt
   2. BHydrogen & Water
4. 4Compounds are a mixture of different types of drinks & foods

   

   1. AVerdadero
   2. BFalso
5. 56 common elements found in the human body

   1. Aoxygen,carbon,nitrogen,calcium,hydrogen & phosphurus
   2. Biron,nickel,cobalt,gold & silver
6. 6What are the symbols of the following elements" hydrogen,helium,carbon,oxygen & nitrogen

   1. A(H),(HE),(C),(O),(N)
   2. B(Ca),(P),(S),(Xe)
7. 7Give 3 examples of alloys

   1. ATable,Chair, & Floor
   2. BStainless steel,Brass & Solder
   3. CSharpener & Rubber
8. 8There are 118 elements

   1. AVerdadero
   2. BFalso
9. 9What does miscible mean?

   1. Aliquids that don't mix
   2. Ba mixture of solids
   3. Cliquids that mix
10. 10non miscible means that they are solid substances

    1. AVerdadero
    2. BFalso

11. 11Give 2 examples of spuramolecule.

    1. Amolecular claws & molecular motor
    2. BBrass & Stainless steel
12. 12Beach sand & Table salt are crystal lattices

    1. AVerdadero
    2. BFalso
13. 13How many elements are there in the human body

    1. A19
    2. B31
    3. C16
14. 14Elements in atoms can be arranged in 3 different ways, what are they?

    1. AMonatomic,Molecule & Lattices
    2. BChocolate,Ice-cream & Coffee
15. 15What is a compound?

    1. Aa mixture of colours
    2. Ba mixture of different elements
    3. Ca mixture of beads

Descripción

Test sobre Sin título, creado por Saara Abdulkadir el 15/05/2016.

Autor

Saara Abdulkadir

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English

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Creado el 15 may 2016 · actualizado el 16 may 2016

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year 9

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