In the periodic table all elements within the same group ...
In the periodic table all elements within the same group have the same
number of neutrons
number of valence electrons
number of isotopes
atomic number
Correct answer is B
The elements in the same group in the periodic table has the same number of electrons in the outer shell. That means, they have the same number of valence electrons.
The complete hydrogenation of benzene gives ...
The process that requires the use of hardwater in its operation is ...
The energy change that accompanies the addition of an electron to an isolated gaseous atom is ...
A hydrogen atom which has lost an electron contains ...
The reaction of an alkanol with alkanioc acid is known as ...
The energy which accompanies the addition of an electron to an isolated gaseous atom is ...
Which of the following alkanes has the highest boiling point? ...