Exam 3: Matter

Some forms of carbohydrates cannot be digested by humans.

Lipids are a type of organic molecule and are also polymers.

The mass number of an element is give by the sum of its:

Which of the following is not a requirement to be a mineral?

A _______________ is a breakage surface, whereas a _______________ is a growth surface.

Igneous rocks that crystallize underground are ______________ rocks, while _____________ rocks crystallize after emerging from a volcanoe.

A rock formed from completely molten magma is a ________________ rock, while a rock formed by high temperatures and pressures without complete melting is a ____________ rock.

__________ are homogeneous masses of material that can be separated from one another by a definable boundary.

Which are the two most abundant elements of the Earth's continental crust?

It is not possible for materials to coexist in two different phases but in the same state.

__________ are atoms with the same atomic number and hence essentially the same chemical properties, but different mass numbers.

The atomic number of an element is given by the number of __________ in its nucleus.

The term __________refers to the relative resistance of a mineral to being scratched.

In polymerization,

Organic compounds can only be produced by living organisms.

Earth is the only terrestrial planet within our solar system.

The three common __________ of matter with which we are most familiar in our everyday lives are solid, liquid, and gas.

Colloids that consist of microparticles or nanoparticles suspended in a gas (such as air) are called __________.

_____________ hold their shape to a certain extent, but they are also jellylike and are easily deformed.

Genes are regions of DNA coded for specific proteins that perform particular functions.