Year 10 Chemistry Periodic Table Test 1

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1. Which one of the following comments best describes the trend in atomic size in the periodic table?
A) Atomic size increases down a group but decreases across a period. B) Atomic size decreases down a group and decreases across a period. C) Atomic size increases down a group and increases across a period. D) Atomic size decreases down a group but increases across a period. E) Atomic size increases down a group but remains constant across a period.

2. Which comment below best describes the trend in electronegativity in the periodic table?
A) Electronegativity increases down a group and also increases across a period. B) Electronegativity decreases across a period and also decreases down a group.. C) Electronegativity decreases down a group and increases across a period. D) Electronegativity increases down a group. E) Electronegativity decreases across a period but increases down a group.

3. Which element is expected to have similar properties to berylium (Be)?
A) Lithium B) Calcium C) Sodium D) Aluminium E) Boron

4. The image on the right graphs the elements against an unkwon variable. Which statement is most likely to be correct?
A) The graph plots the atomic mass of the elements. B) The graph plots the first ionisation energy of the elements. C) The graph plots the density of negative charge around the nucleus of the elements. D) The graph plots the atomic size of the elements. E) None of the above are represented by the graph.

5. Which one of the following statements is correct with regards to the first ionisation energy in the periodic table?

A) The ionisation energy increases down a group because the number of protons is increasing and hence the effective nuclear charge. B) The ionisation energy decreases down a group because the number of protons is increasing and hence the effective nuclear charge.. C) The ionisation energy decreases down a group because the atom is getting larger. D) The ionisation energy increases down a period because the atom is getting larger. E) The ionisation energy increases with increasing energy levels occupied by electron in an atom.

6. Atoms of elements in a group on the Periodic Table have:

A) similar chemical properties. This similarity is most closely related to the atoms having similar, if not identical, electronegativity; B) similar electronegativity. This similarity is most closely related to the atom's effective core charge;  C) similar chemical properties. This similarity is most closely related to the atom's nuclear mass; D) similar atomic radii. This similarity is most closely related to the atoms number of energy levels occupied by electrons; E) similar chemical properties. This similarity is most closely related to the atom's number of valence electrons.

7. For which of the properties does Lithium have a larger value than potassium?
A) Electron volume around the nucleus. B) Ionic radius. C) Atomic radius. D) First ionisation energy. E) Molecular weight.

8. An element in group 5, period 3 of the periodic table will have
A) 15 protons. B) 5 protons, 3 electrons and 4 neutrons. C) 3 protons and 14 neutrons. D) 13 protons, 3 electrons and 4 neutrons. E) 13 protons, 13 electrons

9. The element on the right belongs in
A) group 1 period 3 of the periodic table B) group 3 period 4 of the periodic table C) group 4 period 3 of the periodic table D) group 5 period 4 of the periodic table E) group 3 period 3 of the periodic table

10. Which one of the following elements has the correct group number allocated to it?
A) Atomic number = 3 (group 3) B) Atomic number = 18 (group 7) C) Atomic number = 9 (group 6) D) Atomic number = 8 (group 6) E) Atomic number = 12(group 4)

11. A neutral atom with 16 electrons will most likely:
A) have 16 protons orbiting around the nucleus. B) be found in group 3 period 3 of the periodic table. C) be found in group 3 period 4 of the periodic table. D) be found in group 6 period 3 of the periodic table. E) have exactly 16 neutrons and as many protons as the nucleus can comfortably accomodate.

12. Element X has the following data. 3614X. It has an atomic mass of 36 and an atomic number of 14. Which comment below is true?

A) Element "X" is a metal and therefore found in groups 1 or 2 of the periodic table. B) Element "X" is found in group 6, period 4 of the periodic table . C) Element "X" is found in the same period as carbon and in group three of the periodic table . D) Element "X" is found in the same group as nitrogen and in period 5 of the periodic table . E) Element "X" is found in the same group as carbon and in period three of the periodic table .

13. The atom represented on the right will most likely be found on the periodic table in
A) group 4, period 2 B) group 2, period 4 C) group 8, period 2 D) group 8, period 3 E) none of the above are true.

14. An atom has 11 protons 18 electrons and 13 neutrons. Which comment below is true?
A) It is found in group 4 period 1 of the periodic table B) It is found in group 3 period 1 of the periodic table C) It is found in group 3 period 3 of the periodic table D) It is found in group 2 period 3 of the periodic table E) It is found in group 1 period 3 of the periodic table

15. Which comment below relating to the periodic table is true?
A) Elements in the periodic table are arranged in order of atomic mass. B) All elements found in period 3 of the periodic table are metals C) All elements found in group 7 and 8 of the periodic table are found as solids in nature and can conduct electricity. D) All elements found in the same period share similar properties. E) All elements found in the same group share similar properties.

16. A neutral atom has 5 electrons in the third energy level. Which comment below is true
A) The element is found in group 3 period 5 of the periodic table. B) The element is found in group 2 of the periodic table and is obviously a metal atom. C) The element is found in group 5 period 3 of the periodic table. D) The element is found in group 3 period 6 of the periodic table. E) The element is found in group 2 period 2 of the periodic table.

17. The wheels of a heavy B-52 bomber are to be inflated with a gas that will not react in the case of fire. It must be heavier than helium but not too heavy, and must have the same chemical properties as helium. Which is the most likely element to use?
A) Oxygen gas. B) Chlorine gas. C) Neon gas. D) Argon gas. E) Fluorine gas.

18. The elements in the periodic table are arranged according to:
A) the number of neutrons in their nucleus; B) the number of protons in their nucleus; C) their electronic configuration; D) the arrangement of protons in different energy levels; E) their atomic mass.

19. Sodium reacts violently with water to produce hydrogen gas. A military scientist was looking for a heavier metal with similar properties to use as an ignition fuse for a submerged explosive. Which of the elements below could be used?
A) Potassium B) Calcium C) Aluminium D) Lithium. E) Strontium.

20. An atom with atomic number 4 has similar properties with an atom of atomic number:
A) 6 B) 14 C) 10 D) 8 E) 12