Examlex
Identify and explain the risks associated with the depletion of stratospheric ozone.
Harmful
Referring to anything that can cause damage or adverse effects on living organisms or the environment.
Nonpolar Covalent
A type of chemical bond where two atoms share a pair of electrons with each other equally because they have similar electronegativities.
Polar Covalent
A polar covalent bond is a type of chemical bond where a pair of electrons is unequally shared between two atoms, leading to a molecule with partial positive and negative charges.
Hydrogen
A chemical element with symbol H and atomic number 1, being the lightest and most abundant element in the universe.
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