Exam 1: Atomic Structure

Alternating current is described as _____.

What force is demonstrated in objects with unlike charges?

Producing electricity from light involves the use of particles called _______________.

What is the maximum number of valence electrons in an atom?

The theory stating that current flow is produced when an electron from one atom knocks electrons of another atom out of orbit is generally called the _______________ theory.

What force is demonstrated in objects with like charges?

What type of current reverses its direction of flow at regular intervals?

The nucleus of an atom contains _____.

What is the smallest part of an element that still retains the properties of that element?

A conductor is made from a material that contains between _____ valence electrons.

The Greeks were the first to discover electricity about _____ years ago.

What type of current flows in only one direction?

The atomic number of an element is the number of _____ in the nucleus.

Matter can exist in only two states: solid or liquid.

The valence shell of an atom is the _____ shell.

What are the three principle parts of an atom?

Electrical current is the flow of _____.

What is the most common method of producing electricity?

What part of an atom has no charge?

An insulator is a material containing _____ valence electrons.