Chemistry, 05.08.2019 06:10 DerekMoncoal

The four fundamental forces are arranged in the increasing order of their relative strength.
(a, b and c represent three of the fundamental forces.)
gravity < a < b < c
which statement is true about the fundamental forces represented by a and c?
both have infinite range.
both act only between charged particles.
both act only between non-atomic particles.
both are experienced by atoms and subatomic particles.

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Answer from: zylisebell635

Both weak interaction and strong interaction act only between non-atomic particles.

Explanation:

Arrange the four fundamental forces in increasing strength:

Gravity,"Weak" interaction,Electromagnetic interaction, andStrong interaction.

Thus, this question is about the strong and weak interactions. In particular, the choices are concerned about properties common to both types of interactions.

The ranges of electromagnetic interaction and gravity are infinite. However, the ranges of strong and weak interactions are much smaller. The maximum range of weak interactions is around $\rm 10^{-16}\; m$ . The maximum range of strong interactions is around $\rm 10^{-15}\;m$ .Weak interaction occurs between left-hand fermions. This class of particles includes neutrinos, which do not carry any charge. The most energetic strong interactions occur between quarks, which are all charged. Some of the weaker residual strong interactions occur between particles that are made of quarks. That includes both protons and neutrons (which do not carry any charge.) This type of strong interaction holds nuclei intact.

Consider the choices:

The range of neither weak nor strong interactions is infinite. This range is smaller than the radius of atomic nuclei.Strong and weak interactions indeed act between charged particles. However, there are exceptions such as neutrinos and neutrons. The ranges of strong and weak interactions are so small that they are nearly undetectable outside of atomic nuclei. Both interactions act only between non-atomic particles such as protons and neutrons as well as electrons and quarks.Atoms are too large to experience weak and strong interactions.

Answer from: Quest

the best answer is d because the strong cohesion is caused by the ability of water molecules to undergo hydrogen bonding.

a is incorrect because when water solidifies, it becomes ice, which expands and occupies a bigger volume for the same mass of water in its liquid state.

b is incorrect because water has high surface tension. besides bonding to itself it hydrogen bonds to other molecules at the top decreasing possibility for breaking of attractive forces.

c is incorrect because the water molecule has oxygen which is highly electronegative and so pulls the electron pair towards itself creating a dipole moment, making the molecule polar.

e is incorrect because water has strong adhesion, ability to stick to other molecules such as glass because of this molecules having stronger hydrogen bonding than water.

Answer from: Quest

The answer is !

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The four fundamental forces are arranged in the increasing order of their relative strength.
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