Hydrogen Bond (2)

An atom of high electronegativity (3)

Hydrogen, H and oxygen, O are bonded by sharing electrons with one another and this type of bond is a covalent bond

An atom of high electronegativity (4)

Attraction forces between hydrogen atom, H in water molecule with oxygen atom, O from another water molecule forms a hydrogen bond

Role of hydrogen bonds in daily life - in the hair structure (1)

When hair is wet, protein molecules no longer form hydrogen bonds among themselves

Role of hydrogen bonds in daily life - in the hair structure (2)

Instead, protein molecules will form hydrogen bonds with water molecules, H2O

Role of hydrogen bonds in daily life - in the hair structure (3)

Water molecules, H2O will also form hydrogen bonds with other hair protein molecules

Role of hydrogen bonds in daily life - turning the pages of a book where the pages stick together (1)

Cellulose in paper consists of hydrogen atoms, H that are bonded to oxygen atoms, O

Role of hydrogen bonds in daily life - turning the pages of a book where the pages stick together (2)

Water molecules, H2O on the wet finger will form hydrogen bonds with the cellulose in pape

Role of hydrogen bonds in daily life - turning the pages of a book where the pages stick together (3)

The hydrogen bond cause paper will stick to the finger

Role of hydrogen bonds in daily life - in the hair structure (4)

The hydrogen bond causes hair to stick together

Effect of Hydrogen Bonds on The Physical Properties of Substances (1)

Compounds in the form of liquids reach boiling point when the attraction forces between molecules are overcomed