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Sodium fluoride is an ionic compound.
The magnitude of the desperation force for an element is determined by the size of the electron cloud. The larger the electron cloud the greater the magnitude. Another factor is shape the more surface area a molecule has the larger the magnitude of the desperation force.
Van der Waals forces refer to the sum of the intermolecular forces acting between molecules of covalently bonded compounds. In some cases, there are more than one force, as in polar compounds; in non-polar compounds there is only one type of force present. The van der Waals forces include hydrogen bonding, dipole-dipole interaction, and London dispersion forces.
Helium is an inert gas. It is normally stable. That means that it does not normally form bonds with other atoms or compounds. Helium can be forced into temporary bonds with a handful of other elements like tungsten (Unstable compounds), but when the force is removed, these bonds disappear. There is some evidence in the chemical world that Helium perhaps could form stable compounds with certain other elements with an oxygen molecule tied into it. If this ever proves to be true, then the neon atom would be the only remaining inert gas.
the force of the attraction between the molecules of different substances is called adhesion.attraction between substances of different molecules
Every mass attracts every other mass, along a line joining their centers. The force of attraction between any two masses is proportional to the product of their masses, and inversely proportional to the square of the distance between their centers.
These compounds are ionic.
A ionic compound
Sodium fluoride is an ionic compound.
Apart from the noble gases, all the elements in their natural state are unstable i.e. they don't have stable electronic configuration. In order to gain this stability, they gain or loose electrons and form ions. This develops an electrostatic force of attraction between ions and they form a bond. Apart from this, some elements do not loose or gain electrons but share electrons with other elements in order to become stable and thus form compounds.
electrostatic force of attraction between the positive and negative ions
yes. the boiling point of ionic compounds is high due to the presence of strong electrostatic force of attraction between the ions.
yes
physical
Ionization energy, luttice energy, force of attraction between posetively and negatively charged ions are some of the factors that affect the formation of ionic compounds.
Any possession conviction will stop you from joining the police force. Unless the police force in outside the U.S., police forces prefer cops who aren't criminals.
The Air Force recruits people with an interest in joining the Military.