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.
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Faraday s first law of electrolysis can be expressed mathematically as ...
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The type of chemical bond that exists between potassium and oxygen in potassium oxide is ...