Available Answers

1. 1.

   State the number of elements in Period 1, Period 2, and Period 3 of the Periodic Table.

2. 2.

   Name the elements in Period 1.

3. 3.

   What is the common feature of the electronic configuration of the elements at the end of Period 2 and 3.

4. 4.

   If an element is in Group 17 [or Group 7A] is it likely to be metallic or non-metallic in character?

5. 5.

   Supply the missing Word from those in brackets: If an element has one electron in its outermost energy level [shell] then it is likely to be _____________ [metallic/ non-metallic].

6. 6.

   Copy and complete the following sentences choosing the correct word or words from those given in brackets at the end of each sentence :-

   The similarities in the properties of a group of elements is because they have the same ______________ (electronic configurations, number of outer electrons, atomic numbers.)