How do the elements in each group differ? How are they similar?

All the elements in one group have the same number of valence electrons. The valence electrons are those on the energy level the most distant from the nucleus. These valence electrons are those involved in bonding with other atoms to form compounds.

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batolisis batolisis · Answer 2 · 2021-10-21T17:42:40+02:00

The elements in a group differ in : Their Atomic numbers
The elements in a group are similar in : The Number of valence electrons

In the periodic table elements in the same group posses similar physical and chemical property and this is due to the similarity in the number of valence electrons found in their valence shells.

While in the periodic table as we move down a group the atomic number of the elements will continue to increase because elements in the same group are located in different periods as well.

Hence we can conclude that the difference in the elements located in a group is that they have different atomic numbers while the similarities is that the posses the same number of valence electrons.

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