11. Which group of elements is known as the Halogens?
- A. group 1
- B. group 2
- C. group 7
- D. group 0
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12. Which statement is true about groups in the Periodic Table?
- A. A horizontal row is called a group
- B. All the elements in a group have similar physical properties
- C. Elements in group 2 all have 2 electrons in the outer shell
- D. Elements become more reactive as you descend a group
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| 13. What words correctly fill in the gaps in the following sentences?
Metals are found towards the ….(1) ….. hand side of the Periodic Table.
Metal atoms have …..(2)….. than four electrons in their outer shell. |
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Gap (1) |
Gap (2) |
| A |
left |
more |
| B |
left |
less |
| C |
right |
more |
| D |
right |
less |
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Q14-17:
The positions of six elements, U,V,W,X,Y and Z, are shown on the Periodic Table.
These letters are not the atomic symbols of the elements.
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14. Which elements have the most similar chemical properties?
- A. U and V
- B. W and X
- C. Y and Z
- D. V and W
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15. Which elements are non-metals?
- A. U and V
- B. U, V, W and X
- C. Y and Z
- D. W, X, Y and Z
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16. Which elements are in the same period?
- A. U and V
- B. W and X
- C. Y and Z
- D. V and W
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17. Element X is a metal. Which statement is true for element X?
- A. X conducts electricity and forms positive ions
- B. X conducts electricity and forms negative ions
- C. X does not conduct electricity and forms positive ions
- D. X does not conduct electricity and forms negative ions
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18. Which of the following represents the electronic structure of three elements in the same period of the Periodic Table?
- A. 2.2 2.8.2 2.8.8.2
- B. 2.7 2.8 2.8.1
- C. 2.3 2.8.2 2.8.8.1
- D. 2.8.2 2.8.4 2.8.6
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Q19-20:
Mendeleev, a Russian chemist, produced the first version of the Periodic Table in 1869. |
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19. What property did Mendeleev initially use to organise the elements?
- A. atomic number
- B. atomic mass
- C. number of outer electrons
- D. number of neutrons
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20. What other property did Mendeleev use to arrange the elements, known at that time, into the first Periodic Table?
- A. boiling points of the elements
- B. physical properties of the elements and their compounds
- C. colour of the elements
- D. chemical properties of the elements and their compounds
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