Advertisements
Advertisements
Question
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
Advertisements
Solution
Elements of the I – A group are metals, react with water to form alkalis.
APPEARS IN
RELATED QUESTIONS
Arrange the Elements of Group 17 and Group 1 According to the Given Conditions.
Increasing order of atomic size,
Name two elements of each group.
What happens to the number of valence electrons in atoms of elements as we go down a group of the periodic table?
Name the first three alkaline earth metals.
Write the electronic configuration of the first two alkaline earth metals.
How many electrons do inert gases have in their valence shells?
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
Write a short note on the following type of element –
alkaline earth metals
Write a short note on the following type of element –
halogens
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 |
