A, B, C are three elements in which B is an inert gas other than helium.With this information complete the following table.
|Element||Atomic number||No. of electrons in the valence shell||Group to which the element belongs|
|A||Z - 1|
|C||Z + 1|
Also, explain the following : Ionization energy of element C is less than that of element A.
With reference to the variation of properties in the Periodic Table, which of the following is generally true?
Ionization potential increases from left to right across a period.
Supply the missing word from those in the brackets:
If an element has a low ionization energy then it is likely to be ______ (metallic/ non-metallic).
The metals of group 2 from top to bottom are: Be, Mg, Ca, Sr, Ba. Which of these metals will form ions most readily and why?
Fill in the blank from the choices given below
Across a period, the ionisation potential ____________.