Chemistry of Life Flashcard

Front

The _______________ atom of one water molecule will bond with _______________ atoms of other water molecules.

Back

The oxygen atom of one water molecule will bond with hydrogen atoms of other water molecules.

Front

How many hydrogen bonds can a single water molecule have?

Back

Four

Front

Cohesion and adhesion are different in that:

Back

Cohesion refers to the attraction between molecules of the same substance, while adhesion refers to the attraction between molecules of different substances.

Front

How does water move up the thin walls of a tube? Specifically, what is it sticking to?

Back

The tube's surface

Front

Imagine a world where ice was more dense than liquid water. What would this world be like?

Back

Ice would sink in water.

Front

In a hydrogen bond attraction, what does the hydrogen of one molecule attract to on another molecule?

Back

a lone pair of electrons on a slightly negative atom of another molecule

Front

When many water molecules stick together, they stick through what type of bonds?

Back

hydrogen bonds

Front

What is the role of hydrogen bonds in water molecules?

Back

They hold water molecules together

Front

Which element below is found in all biomacromolecules? Options: carbon, nitrogen, phosphorous, sulfur

Back

carbon

Front

The smallest possible particles of an element are: atoms, elements, molecules, compounds.

Back

atoms