Physical properties depend on the
The period number of 2713Al is
Elements that lie in the same column have
As we go from left to right across the period, the electron affinity
Elements are arranged in order of
The decrease in the force of attraction between valence electrons and nucleus by inner electrons is called
In periodic table elements with similar valence shell configuration are placed in
When an electron is added in the valence shell than
Chemical properties depend upon
Nobel gases are present in
The value of ionization energy
Groups contain alkaline earth metals are
The energy required to remove an electron from the outermost shell is called
As we go from top to bottom in a group the shielding effect
Group A elements are called
Both elements of 1st period contain valence electrons in
In the periodic table, helium is placed at
Across the period the atomic size decreases due to
The first three periods are
On basis of electronic configuration the group and period of 95B is
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