why do elements within a group have similar chemical properties?

Answer 1

the chemical properties of elements are determined by the ease with which they donate or accept electrons. Since elements belonging to a particular group have the same number of valence electrons they show similarities in their chemical properties.

Answer 2

Similar Chemical Properties

Answer 3

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why do elements within a group have similar chemical properties?

Answer 4

Actually they have been put in one group because they have similar properties! Their valence electrons are same in number. Thus they exhibit similar behavior in chemical reactions, which are primarily determined by the valency electrons.

Answer 5

elements in the same group have similar properties since the number of the valence electrons are the same.
for example , to make it more clear the elements in the group three of the periodic table are boron, aluminium,and gallium etc they are placed in the same group because the no of valence electrons they have is the same that is 5= 2,3 13=2,8,3 31=2,8,18,3

Answer 6

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All of the elements in a group (vertical column on the periodic table) have the same number of valence electrons, and therefore, react in similar ways. This particularly true for most of the metals and for the halogens. The concept breaks down somewhat for groups in the p-block of the periodic table (boron family through oxygen family). For instance in the nitrogen family, nitrogen, phosphorous and arsenic are nonmetals and exhibit both positive and negative oxidation numbers. But bismuth is a metal only exhibits positive oxidation numbers. The chemistry of bismuth is quite a bit different from the chemistry of nitrogen. The carbonate radical is a combination of carbon and oxygen atoms and can share two additional electrons from whatever bonds with it. Sodium (for instance) has one "available" electron and therefore, two sodium atoms can combine with the carbonate.

Answer 7

because they have same number of electrons in their outermost shell which determines the reactivity of the element. Reactivity is a major factor which determines the chemical properties of the element.

Answer 8

It's just the way the periodic table has been plotted out. The whole thing is very particular and once you start learning shielding, you really get a handle on how meticulously arranged it is.