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The Bohr model, introduced in 1913 by Niels Bohr was simply the model of the atomic structure; this included the small positively charged nucleus which included the neutrons and protons at the centre and the negatively charged electrons rotating around the nucleus in certain specific orbits by its electromagnetic energy in a circular orbit, similar to the solar system, but with electrostatic forces providing attraction, rather then gravity. In a neutral atom the number of electrons = the number of protons. The arrangement of an atom's energy orbits depends on the number of protons and neutrons in the nucleus and the number of electrons orbiting the nucleus. The Bohr model, introduced in 1913 by Niels Bohr was simply the model of the atomic structure; this included the small positively charged nucleus which included the neutrons and protons at the centre and the negatively charged electrons rotating around the nucleus in certain specific orbits by its electromagnetic energy in a circular orbit, similar to the solar system, but with electrostatic forces providing attraction, rather then gravity. In a neutral atom the number of electrons = the number of protons. The arrangement of an atom's energy orbits depends on the number of protons and neutrons in the nucleus and the number of electrons orbiting the nucleus.
Wiki User
∙ 15y ago
Wiki User
∙ 16y agoAtom Radius does not affect the melting point directly
The larger an atoms radius the larger the nucleus and therefore the larger the nuclear charge. Increased nuclear charge leads to an increased strength of van der waal's forces between the molecules which results in a higher melting point.
The opposite occurs when the atoms radius is smaller
Wiki User
∙ 15y agoIt's an inverse relationship. As you go down Group 1, the Alkali Metals, atomic radius increases and melting point decreases.
Wiki User
∙ 14y agoSupposed melting poin of francium: 22 0C
Supposed boiling point of francium: 650 0C
Wiki User
∙ 7y agoThe melting point decreases and the atomic radius increases as you go down the group.
Wiki User
∙ 7y agoExcepting halogens a relationship between atomic radius and melting point doesn't exist.
Wiki User
∙ 16y agoi dont no im trying to fint out too
Wiki User
∙ 7y agoA general relation doesn't exist.
Wiki User
∙ 7y agoGenerally a relation doesn't exist.
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When an atom becomes a cation what happens to it's radius?
The atomic radius of a cation is smaller than that of its original atom. See the related link for an image example of what this may look like.
What is the difference between a sodium atom and a potassium atom?
Sodium and potassium are two different albeit similar elements. A neutral sodium atom has 11 protons, 11 electrons and typically 12 neutrons. It forms and ion with 10 electrons. It has an atomic radius of 186 picometers. Potassium has a large, heavier atom than sodium A neutral potassium atom has 19 protons, 19 electrons ans usually 20 neutrons. It forms an ion with 18 electrons. Potassium's atomic radius is 227 picometers. Additionally, potassium is somewhat more reactive than sodium and has a lower melting point.
Compared to the atomic radius of a sodium atom the atomic radius of a magnesium atom os smaller the smaller radius is primly a result of the magnesium atom having?
a larger nuclear charge
The atomic radius to the distance from the nucleus of an atom to?
The atomic radius is the distance from the nucleus of an atom to the outermost orbital of electron.
What is Ar in chemistry?
Ar is Argon, an atom which consists of 18 Protonsand 22 Neutrons.It is most commonly found in a gaseous state as it has a melting point of -189.3442 and a boiling point of -185.89
What are the relationships between the melting point and the atomic radius of an atom?
A relation doesn't exist.
How does structure affect properties?
The atomic structure of an atom determines what it is able to bond with. It will also effect its boiling and melting point.
What happens to the melting point of the alkali metals as the atom increase in size?
As we move down the group, the melting point decreases.
Sodium atom melting point?
The melting point of sodium chloride is 801 0C.
What is the melting point temperature?
The temperature at which the solid melts, which remains constant until all of the substance is melted.
Is sodium a reactive atom?
Yes It's a soft metal, reactive and with a low melting point
Can give you some explanation about the structure of the atom esspecially about it's radius?
Atomic radius is simply the radius of the atom, an indication of the atom's volume.
What is the radius of an atom in picometers?
Scandium empirical atom radius: 160 pm Scandium calculated atom radius: 184 pm
When the atom becomes an anion what happens to its radius?
The radius of an anion is bigger than the radius of a neutral atom.
Why is the radius of an atom of iodine greater than the radius of bromine atom?
An iodine atom has one more principal energy level than a bromine atom. Therefore the radius of an iodine atom is greater than the latter.
Can silver melt?
no because it is a metal single Ag is an atom
When an atom becomes a cation what happens to it's radius?
The atomic radius of a cation is smaller than that of its original atom. See the related link for an image example of what this may look like.
