10 minutes maximum!

An IB Periodic Table is required.

1. In which block of the Periodic Table is the element argon, Ar?
  • A.   s-block
  • B.   p-block
  • C.   d-block
  • D.   f-block
2. Which statement is true for Calcium, Ca?
  • A.   It is a non-metal in group 2 and period 4
  • B.   It is a metal in group 4 and period 2
  • C.   It forms a chloride of formula CaCl
  • D.   Its valence electrons are in an s sub-shell
3. Which element which has 3 valence electrons and 4 occupied shells ?
  • A.   Ga
  • B.   Si
  • C.   In
  • D.   As
4. Which statement is true?
  • A.   Metallic character increases from left to right across the Periodic Table
  • B.   The elements on the left of the Periodic Table are mainly non-metals
  • C.   Most elements in the Periodic Table are metalloids
  • D.   Metals increase in reactivity down a group

Q5+6 refers to the following Periodic Table:

Periodic Table block diagram

5. Which block represents the Lanthanoids?
6. Which block represents the Transition Metals?


7. Element X has the electronic configuration 1s22s22p63s23p1

Which statement is correct for this element?

  • A.   It has 13 protons
  • B.   It is in group 1 of the Periodic Table
  • C.   It forms a chloride of empirical formula XCl
  • D.   It is in period 5 of the Periodic Table
8. Which of the following is true for elements in the same group of the Periodic Table?
  • A.   They have the same reactivity
  • B.   They have same number of electron shells
  • C.   They have the same number of valence electrons
  • D.   The have same number of protons

9. Element Y is in group 16 and period 5. Which statement is true for element Y?

  • A.   Y has 5 valence electrons
  • B.   Y is an actinoid
  • C.   the last electron in Y is in a ‘p’ sub-shell
  • D.   Y can form ions Y3-
10. Which element is a metalloid?
  • A.   Sr
  • B.   Ge
  • C.   Mn
  • D.   Ce