Question

state the number of elements in Period 1, Period 2, and Period 3 of the Periodic Table.
Name the elements in Period 1.
If an element is in Group 17 (or Group 7A] is it likely to be metallic or non-metallic in character?
15 Supply the missing word from those in brackets: If an element has one electron in its outermost energy
11. Copy and complete the following sentences choosing the correct word or words from those given i
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.)
What is the common feature of the electronic configuration of the elements at the end of Period 2 and
level (shell] then it is likely to be
1. What is meant by a Group in the Periodic Table.
Period 3?
[metallic/non-metallic).
2001
2002
2. How many elements are there in Period 2.​

Answer 1

Answer:

good night

Explanation:

friends