A&P Ch.2

What particles are located in the nucleus of an atom?

What is measured by the pH scale?

Which of these statements best describes a covalent bond?

The atomic nucleus is ______

Which carbohydrate is produced by linking two single sugar units together?

What is the chemical formula H₂O referring to?

Links between atoms due to the sharing or transfer of electrons are called ______ bonds.

Which of the following is a function of water?

Which of the following is not an organic compound?

What is the role of oxygen in the body?

How do the atoms of different elements differ from one another?

What occurs to form a covalent bond?

What occurs to form an ionic bond?

A solution that contains equal numbers of hydrogen ions and hydroxide ions is described as being__________.

How does one isotope of a particular element differ from another of the same element?

Why is a complete atom considered to be electrically neutral?

Which chemical compound is composed of one sugar unit?

Atoms that become electrically charged due to the gain or loss of electrons are called

When ______ occurs, chemical bonds are formed or broken.

Two or more atoms that bond together forms a(n) ______

What are nucleic acids?

Indicate the four types of organic compounds important in cell structure and function.

What group of elements accounts for more than 95% of the human body by weight?

Which value is a measure of the hydrogen ion concentration of a solution?

The major function of carbohydrates is to provide much of the____ that cells require

List two major characteristics of elements. (select more then 1)

The atomic number of an atom equals the number of__________, and the mass number equals the__________

Nucleic acids include__________

Two or more atoms that bond together forms a(n) ______.

Matter is composed of elements which, in turn, are composed of_________

What building blocks form triglycerides?

Chemistry is the branch of science that studies__________.

The components of substances that are ______ separate when the substance is placed in water

What is measured by the pH scale?

By definition, how is an inorganic substance different from an organic substance?

Which term refers to an atom that has become electrically charged?

Covalently bound compounds will separate into component parts when placed in water.

List functions of water in the body. (select more then 1)

Compounds are classified as acids if they release ______ when they dissociate in water.

What are electrolytes?

Which type of subatomic particle determines the ways in which atoms interact with each other?

what is the definition of matter

A molecule that has covalent bond between its atoms but the electrons within those bonds are unequally shared is called

The first electron shell of an atom can hold a maximum of__________ electrons.

What is the name for the central portion of an atom?

A chemical bond formed by the sharing of one or more pairs of electrons between two atoms is a(n) ______ bond