Advertisements
Advertisements
प्रश्न
An element has 2 electrons in its N shell.
State the name assigned to this group.
उत्तर १
The name assigned to this group is IIB
उत्तर २
Alkaline earth metals.
संबंधित प्रश्न
How does the valency of elements change of moving from left to right in the third period of the periodic table?
How do atomic structures (electron arrangements) change in a period with increase in atomic numbers from left to right?
What do you understand by periodicity?
What is its atomic number?
An element X belong to 3rd periods and group II of the periodic table state:
the valency,
An element 'M' has atomic number 11.
(a) Write its electronic configuration.
(b) State the group to which 'M' belongs.
(c) Is 'M' a metal or a non-metal.
(d) Write the formula of its chloride.
Study the extract of the Periodic Table given below and answer the questions that follow. Give the alphabet corresponding to the element in question. DO NOT repeat an element. 
Which is an inert gas?
Fill in the blank
Most electropositive elements belong to ______ group.
The following questions refer to the Periodic Table.
Name the first and last element in period 2.
Name the period which is the shortest period of the periodic table.
