Module 6 Exam

Front

What is the reason elements are placed in the same group on the periodic table?

Back

Elements are placed in the same group because they have similar chemical properties.

Front

What are the four most abundant elements found in living things?

Back

Oxygen, Hydrogen, Nitrogen, Carbon.

Front

True or False: All chemical bonds in the macromolecules of life are ionic.

Back

False.

Front

What equation satisfies the law of conservation of matter?

Back

3O2 + 2AI --> 2AIO3.

Front

What type of bonds hold the hydrogen, oxygen, and carbon atoms in a glucose molecule together?

Back

Covalent bonds.

Front

Define isotopes.

Back

Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons.

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.

Front

What is the law of conservation of matter?

Back

The law of conservation of matter states that matter cannot be created or destroyed in a chemical reaction.

Front

What are macromolecules?

Back

Macromolecules are large complex molecules, such as proteins, nucleic acids, carbohydrates, and lipids, that are essential for life.

Front

What is the primary function of carbohydrates in living organisms?

Back

Carbohydrates provide energy and serve as structural components.