Unit 1: You are conducting an experiment and find the volume of a substance to be 4.53 ml. If the known volume of the substance is 4.99 ml, find the percentage error in your measurement.

Unit 1: Which of the following statement about a chemical change is true?

Unit 1: How many significant figures are in the measurement 906 mmHg?

Unit 1: How many significant figures are in the measurement 0.0051 ml.

Unit 2: You can determine the identity of an element If you know how many ... it has.

Unit 2: The nucleus of an atom has all of the following characteristics EXCEPT that it...

Unit 2: How many valence electrons does an atom of aluminum typically have?

Unit 2: Which of the following elements would be the most reactive?

Unit 2: The nucleus of isotopes A of an element has a larger mass than isotope B of the same element. The # of neutrons in the nucleus of isotope A ... the number of neutrons in the nucleus of isotope B.

Unit 2: The nucleus of isotopes A of an element has a larger mass than isotope B of the same element. The # of protons in the nucleus of isotope A ... the number of protons in the nucleus of isotope B.

Unit 3: Cations have ... electrons and thus have a ... charge.

Unit 3: Anions have ... electrons and thus have a ... charge.

Unit 3: Metals will ... in reactivity as you move down and left in the periodic table. Nonmetals will ... in reactivity as you move up and right.

Unit 3: Consider the periodic trend seen for ionic radius. Atoms that lose electrons tend to become ... . Atoms that gain electrons tend to become ... .

Unit 3: Which of the following groups of elements would most likely have the greatest electronegativity?

Unit 3: Which of the following groups of elements would most likely have the least electronegativity?

Unit 4: The forces between different molecules are considered ... while the forces within molecules between the atoms are ... . Chemical bonds are the same thing as ... forces.

Unit 4: Which of the following statements are true about 02?

Unit 4: The picture below best represents a(n) ... bond.

Unit 5: The emission of energy in the form of ionizing radiation is...

Unit 5: The process or result of joining two or more things together to form a single entity is..

Unit 5: The action of dividing or splitting something into two or more parts is..

Unit 5: A change in the identity or characteristics of an atomic nucleus that results when it is bombarded with an energetic particle, as in fission, fusion, or radioactive decay is...

Unit 5: A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction is..