Examlex
Match each statement with the intermolecular force mainly responsible for the phenomenon.
1.Helium can be liquefied. (a)dipole-dipole
2.Sodium salts are commonly hydrated. (b)hydrogen bonding
3.The boiling point of cis-dichloroethene
is higher than that of trans-dichloroethene. (c)London dispersion
4.NH3 has a higher boiling point than PH3. (d)ion-dipole
Cousins
Relatives with whom one shares a common ancestor, but more distant than a sibling or a direct parent/child relationship.
Non-Family Members
Individuals who are not related by blood, marriage, or legal adoption to a particular person or family.
Egoistic Helping
When a helper seeks to increase his or her own welfare by helping another.
Personal Distress
A self-focused emotional reaction, such as discomfort or pain, to the suffering of others which motivates self-serving behaviors to reduce one's own discomfort.
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