TCC CH-2 Power Point

An element is a substance that cannot be broken down to other substances by _____ ____

_____ is a substance consisting of two or more different elements combined in a fix ration.

What is the formula for the photosynthesis reaction?

____ ____ is the sharing of pair of valance electrons by two atoms.

A covalent bond resulting from the sharing of one pair of electrons

is the complete transfer of valence electron(s) between atoms. It is a type of chemical bond that generates two oppositely charged ions

The linking together of like molecules, often by hydrogen bonds.

The clinging of one substance to another, such as water to plant cell walls by means of hydrogen bonds.

____of water to these hydrophilic walls helps move water up the plant against gravity

Having no affinity for water, tending to coalesce and form droplets in water.

Having an affinity for water.

A _____ solution is one in which the pH of the solution is "resistant" to small additions of either a strong acid or strong base.