Advertisements
Advertisements
प्रश्न
Name the first three alkaline earth metals.
Advertisements
उत्तर
The first three alkaline earth metals are Beryllium, Magnesium, and Calcium.
APPEARS IN
संबंधित प्रश्न
How do atomic structures (electron arrangements) change in a period with an increase in atomic numbers moving left to right?
Write the reactions of the first three alkaline earth metals with dilute hydrochloric acid.
Comment on the (i) reactivity (ii) colour (iii) physical state of group 17 elements.
Give reason:
Inert gases do not form compounds.
State the characteristics which remain similar in moving down in a group of the periodic table.
Write a short note on the following type of element –
halogens
Name or state following with reference to the element of the first three periods of the periodic table.
An alkaline earth metal in period 3.
Give a reason for the following:
Noble gases do not form compounds readily.
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
State the following:
The group from the groups 1 [IA], 2 [IIA], 16 [VIA] and 7 [VIIA] whose elements are most electronegative.
