Exam 1: Atomic Structure

Electrical current is the flow of ____.​

The smallest part of a compound that still retains the properties of that compound is a(n) __________.​

​What type of current flows in only one direction?

The valence shell of an atom is the ____ shell.​

Producing electricity from light involves the use of particles called __________.​

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.​

Alternating current is described as _____.​

What force is demonstrated in objects with unlike charges?​

​The Greeks were the first to discover electricity about____ years ago.

What force is demonstrated ​in objects with like charges?

Direct current is described as _____.​

The nucleus of an atom contains_____.​

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

The basic law of physics states that like charges ____ and opposite charges_____.​

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

What part of an atom has a negative charge?​

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

Matter has mass and occupies space.​

What is the most common method of producing electricity?​

What part of an atom has a positive charge?​