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Elements in the same group have the same number of valence electrons.
All elements in the same group have the same number of valence electrons.
All elements in the same group have the same number of valence electrons.
All elements in the same A group will have the same number of valence electrons.
Elements in the same group have the same number of valence electrons. These are the outer-shell electrons that react with other elements.
The valence electrons for elements in the same group stay the same, since the number of valence electrons corresponds to the group number.
All elements in the same group have the same number of valence electrons.
Elements with the same number of valence electrons are in the same group (or vertical column).
It is not possible to say for certain which pair of the isotopes below are of the same element as no options have been provided. There are many different pairs of isotopes that make up many different elements.
elements in same group have the same number of valence electrons
Because they have the same number of valence electrons and need the same number of electrons to fill their valence shells
Elements that have the same number of valence electrons will have similar chemical properties, binding with other elements in the same way and same proportions.