Move the arrows up and down to arrange the following types of attractions between molecules in order from strongest (on top) to weakest (bottom): (2 points) move down hydrogen forces move down move up ionic forces move down move up van der waals forces move up covalent forces

Answer is: from strongest to weakest attractions: ionic forces, covalent forces, hydrogen forces, Van der Waals forces.

Ionic bond is the electrostatic attraction between oppositely charged ions; ionic bond is very strong.

For example, sodium chloride (NaCl) has ionic bond between sodim cation and chlorine anion.

Covalent bond is bond between nonmetals. Hydrogen and oxygen are nonmetals.

For example, in water, atoms of hydrogen (H) and oxygen (O) are connected by polar covalent bonds.

Hydrogen bond is an electrostatic attraction between two polar groups that occurs when a hydrogen atom (H), covalently bound to a highly electronegative atom such as flourine (F), oxygen (O) and nitrogen (N) atoms.

For example, because of hydrogen bonds, water has higher melting and boiling temperatures than H₂S.

There are two kinds of Van der Waals forces: weak London dispersion forces and stronger dipole-dipole forces.

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