Table of Contents
- 1 Why are physical and chemical properties repeated in a group?
- 2 Why are the chemical properties of the elements in the same group similar?
- 3 Why do elements belonging to the same group or family have similar characteristics?
- 4 Why do elements in the same group have similar properties quizlet?
- 5 How do electron configuration within the same group of elements compare?
- 6 Why properties of elements are different even when they belong to same period?
- 7 How are element similar to those in the same group on the periodic table?
- 8 Why do elements of the same group have the same properties?
- 9 How many groups are there in periodic table of elements?
Why are physical and chemical properties repeated in a group?
The physical and chemical properties of elements depend on the number of valence electrons. Elements present in the same group have the same number of valence electrons. Therefore, elements present in the same group have similar physical and chemical properties.
Why are the chemical properties of the elements in the same group similar?
The electron arrangements of atoms help explain the properties of elements and the structure of the periodic table. So, elements in the same group have similar chemical properties because they have the same number of electrons in their outer shell.
Why do elements belonging to the same group or family have similar characteristics?
The elements in the same group has similar number of valence electrons. They have identical number of electrons in their outermost shell. e.g. All the alkali metals in Group 1 have 1 valence electron, so they all tend to react the same way with other substances.
Why do elements in the same group have similar electronic configuration?
The elements in a given group possesses similar electronic configuration, as the number of electrons in the respective outermost shells is the same. So, they have similar physical and chemical properties.
Why do elements of same group show similar properties but the elements in different groups show different properties?
The properties of an element depends on the number of valence electrons present in an atom of the element. Elements of a particular group have similar electronic configurations and the same number of valence electrons in their atoms. Therefore, elements in different groups show different properties.
Why do elements in the same group have similar properties quizlet?
Elements in the same family have similar properties because they have the same number of valence electrons. Atomic radius of elements tend to increase down a group because the shielding effect is overcoming the large nuclear force.
How do electron configuration within the same group of elements compare?
How do the electron configurations within the same group of elements compare? Elements within the same group have the same valence electron configurations. This means they have completely filled s and p sublevels which gives them a “stable octet” of electrons in their outer level.
Why properties of elements are different even when they belong to same period?
Elements within the same period have different number of electrons in their valence shells (the number is increasing from left to right) and different valence shell electron configuration. Therefore, elements in the same period are chemically different.
How does the elements having similar properties are placed in the same group or period?
In a group or period all the elements have similar chemical properties. Since they have the same number of outer electrons and also the same valency they are put under one group or period.
Why do elements in the same group generally have similar properties provide one element as an example to support your reasoning?
How are element similar to those in the same group on the periodic table?
All the elements in one group have the same number of valence electrons. Since elements in a group have the same number of valence electrons, they behave similarly in chemistry. An example would be the alkali metals (excepting hydrogen. Hydrogen is in this group only because it has one valence electron.
Why do elements of the same group have the same properties?
Why do elements of the same group have similar property? A vertical column in the periodic table of elements is called group. So, we can say that elements in a group have the same physical and chemical properties because their atoms have the same number of valence electrons or same valence shell electronic configuration.
How many groups are there in periodic table of elements?
There are 18 groups in periodic table and each group is a independent group. All the elements present in a group have same electronic configuration of the atoms. The physical and chemical properties of elements depend on the number of valence electrons. Elements present in the same group have the same number of valence electrons.
What determines the chemical properties of an element?
The chemical properties of elements are determined by their valence shell electronic configuration. The valence shell ( outermost shell ) electronic configuration of is ns2np3 , which clearly shows that all the elements have the tendency to make same kind if bonds with a common element.
How do scientists use the gaps in the groups of elements?
The gaps in the groups gave the scientists the properties as clues to help find them. The elements in the groups have similar properties in many features (not all) because of the make-up of their atoms. Chemical reactions, conductivity, physical features and appearance, and change of state ratios are a few.