Two elements, X and Y are in the same group on the period...
Two elements, X and Y are in the same group on the periodic table because they both have the same
number of electronic shells
number of valence electrons
atomic size
atomic number
Correct answer is B
The members of the same group always have the same number of electrons in the outer shell (i.e number of valence electrons).
The reaction between alkanoic acids and alkanols in the presence of a mineral acid is known as ...
If 50 cm\(^{3}\) of a saturated solution of KNO\(_{3}\) at 40 °C contained 5.05 g of the salt, i...
The boiling of fat and aqueous caustic soda is referred to as ...
What is the atomic number of Francium? ...
In the removal of water hardness, permutit is regenerated with a strong solution of ...
In which of the following compounds is the oxidation number of nitrogen equal to + 3?...
Diamond is a bad conductor of electricity because its bonding electrons are used in ...
Which of the following properties is not characteristic of electrovalent compounds? ...