Which of the following characterizes an ionic bond? ? *the electrons in the bond are shared between two atoms. *the electrons in the bond are shared between two ions.

Explanation:

An ionic bond is formed when there occurs transfer of electrons from one atom to another.

For example, atomic number of potassium is 19 and its electronic distribution is 2, 8, 8, 1. Whereas atomic number of chlorine is 17 and its electronic distribution is 2, 8, 7.

So, in order to attain stability potassium will lose its one valence electron and thus acquires a +1 charge. Whereas chlorine will gain one electron from potassium and thus, it acquires a -1 charge.

Hence, both potassium and chlorine will combine together.

Thus, we can conclude that the statement electrons in the bond are shared between two ions characterizes an ionic bond.

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

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both adhesion and cohesion are attractions.

they are different in that adhesion is the force of attraction between the molecules of two different substances, whereas cohesion is the force of attraction between molecules of the same substance.

possible examples include capillary action, in which the adhesion between water and glass causes the water to rise in a narrow tube against the force of gravity.

because of hydrogen bonding, water is extremely cohesive.

this causes molecules on the surface of water to be drawn inward, which is why drops of water form beads on smooth surfaces.

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