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ATTRACTION OF (+) AND (-) CHARGES
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∙ 15y ago
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Why does Fr have the largest atomic radius?
Many energy levels of electrons and low effective nuclear charge/low Coulombic force.
What are the different between natural attraction and man-made attraction?
what is the difference between man made attraction compared to natural attraction
When was Fairground Attraction created?
Fairground Attraction was created in 1987.
What is forces two objects exert on each other is called an?
Electrostatic attraction or repulsion, magnetic attraction or repulsion, gravitational attraction.
What are the forces of attraction between the particles of a liquid?
Surface tension .
What causes ions to forn ionic bonds?
Electrostatic attraction between unlike charges, sometimes called a coulombic attraction
What is the force of attraction between a positively charged metal ion and the electrons in a metal?
electrostatic force
Do ions with the opposite charges attract each other?
Yes, they do. This is through what is called coulombic forces of attraction.
What is the coulombic force equation?
Coulombic Force = [(-e)(Ze)]/r^2 = -Ze^2/r^2
Why does NaCl have a high melting point than KCl?
This can be rationalised by looking at the lattice energy. Using Madelungs method the smaller Na+ ion causes a stronger coulombic attraction making it harder to beak up the lattice and increasing the mp.
Is the force of attraction greater or less when the distance between two objects is far?
All attractive forces, gravitational, coulombic, and magnetic vary as the square of the distance between two objects. Thus, as the distance increases, the force between them becomes much weaker and weaker.
Name of different type of physical forces?
Gravitational, Coulombic, Frictional, Intermolecular, Viscous etc
What is the coulomb force?
Coulombic Force = [(-e)(Ze)]/r^2 = -Ze^2/r^2
What types of chemical bonds between positive and negative ions?
an ionic bond holds these crystals together
Why does Fr have the largest atomic radius?
Many energy levels of electrons and low effective nuclear charge/low Coulombic force.
Which kind of force is a dipole force?
Intermolecular attraction
What kinds of intermolecular forces are present in a mixture of calcium bromide and water?
Coulombic (electrostatic) forces, mostly for the calcium and bromide ions. Hydrogen bonding for the water molecules.
