Examlex
A copyright is any word,name,symbol,or device (or any combination of these)that is used to identify and distinguish a good.
Hydrogen Atom
The simplest type of atom, consisting of one proton in the nucleus and one electron orbiting the nucleus, fundamental to the chemistry of life.
Polar Covalent Bond
A type of chemical bond where two atoms share a pair of electrons more or less unequally, creating a molecule with an electrical polarity due to uneven electron distribution.
Water Molecule
A compound formed by two hydrogen atoms and one oxygen atom, essential for life.
Phospholipids
Phospholipids are a class of lipids that are a major component of all cell membranes; they form bilayers due to their hydrophilic heads and hydrophobic tails.
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