Elements in the same group of the periodic table have
...Elements in the same group of the periodic table have
the same number of valence electrons
the same number of electron shells
different chemical behaviour
the same atomic size
Correct answer is A
No explanation has been provided for this answer.
In a water body, too much sewage leads to ...
What is the atomic number of Thallium? ...
Which of the following oxides is amphoteric? ...
What is the chemical symbol for Radon? ...
Which of the following organic compounds could be represented by the empirical formula CH2O?...