Advertisements
Advertisements
Question
State the characteristics which remain similar in moving down in a group of the periodic table.
Advertisements
Solution
Character that remains similar is physical and chemical properties, i.e. The alkali metal (Group 1 - A) are very reactive Li < Na < K, Rb < Cs reactivity increases. Halogen atoms are also very reactive.
APPEARS IN
RELATED QUESTIONS
Arrange the Elements of Group 17 and Group 1 According to the Given Conditions.
Increasing order of atomic size,
Consider the following elements: Be, Li, Na, Ca, K. Name the elements of (a) same group (b) same period.
What are the following group known as?
Group 18
What happens to the number of valence electrons in atoms of elements as we go down a group of the periodic table?
Name the gas used in:
Light bulbs
Give reason:
Alkali metals are kept in an inert solvent.
Write a short note on the following type of element –
noble gases
Select the correct answer from the options given below.
The most reactive halogen from group 17.
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
Match the elements of List – I with their type from List – II.
| List – I | List – II |
| 1. Highly reactive, univalent metals | A: Halogens |
| 2. Highly reactive, univalent non-metals | B: Transition elements |
| 3. Unreactive, inert elements | C: Alkali metals |
| 4. Elements of group 3 to 12 [IB to VII B and VIII] | D: Lanthanide series |
| 5. Radioactive elements | E: Noble gases |
| F: Actinide series |
