Table of Contents
- 1 Why does the boiling point of noble gases increase down the group?
- 2 Why does the atomic radius increase as you go from the top to the bottom of a chemical family?
- 3 What is the trend in reactivity of the noble gases as you go down the group?
- 4 What happens to the reactivity of noble gases as you go down the group?
- 5 What do you need to know about noble gases?
- 6 Why do noble gases have the highest ionization potential?
Why does the boiling point of noble gases increase down the group?
The boiling points of the noble gases increase as their atomic masses increase. The boiling points of the noble gases are very low compared to those of other substances with similar masses. The dispersion forces increase as the size of the atom increases, so the boiling points also increase with atomic size.
From top to bottom down a group, electronegativity decreases. This is because atomic number increases down a group, and thus there is an increased distance between the valence electrons and nucleus, or a greater atomic radius.
What is the chemical property of the noble gases that leads to the conclusion that they possess extremely stable electron arrangement?
The noble gases are the chemical elements in group 18 of the periodic table. They are the most stable due to having the maximum number of valence electrons their outer shell can hold. Therefore, they rarely react with other elements since they are already stable.
Why do noble gases have low melting and boiling points?
The outer shell of valence electrons is considered to be “full” in noble gases, giving them little tendency to participate in chemical reactions. The noble gases have weak interatomic forces and consequently have very low melting and boiling points.
What is the trend in reactivity of the noble gases as you go down the group?
down the group, theoretically, the monatomic noble gases are more likely to react and form a compound with very reactive elements like fluorine, this is because the outer electrons are increasingly less strongly held giving a greater chance of electron sharing in forming a covalent bond with other very reactive non- …
What happens to the reactivity of noble gases as you go down the group?
the atoms become larger. the intermolecular forces between the atoms become stronger. more energy is needed to overcome these forces.
Does the atomic radius increase as you go from the top to the bottom of a chemical family?
The atomic radius of atoms generally increases from top to bottom within a group. As the atomic number increases down a group, there is again an increase in the positive nuclear charge. However, there is also an increase in the number of occupied principle energy levels.
Why do boiling points of noble gases increase down the group?
The boiling points increase down the group because of the the size of the molecules increases down the group. This increase in size means an increase in the strength of the van der Waals forces. , Bachelors degree in Chemistry from Rutgers University in 1976.
What do you need to know about noble gases?
Everything You Need to Know About Noble Gas Configuration. Noble gases, also called inert gases belong to the group 18 of the periodic table. Elements belonging to this group are helium, neon, argon, krypton, xenon, and radon.
Why do noble gases have the highest ionization potential?
Noble gases have the highest ionization enthalpy from all the groups of the periodic table, reflecting that they are chemically inert. 5) Ionization Potential When going down the group, the atomic radii increase which increases the attractive force and ultimately results in the increase of polarity and decrease in the ionization potential.
Why is van der Waals force of attraction stronger in noble gases?
When moving down in the group, the atomic radii increases which results in the formation of a strong Van Der Waals force of attraction between the atoms. As to overcome the interatomic force of attraction which becomes stronger, it also requires more energy during melting and boiling.