Deck 1: The Atom

Question 1

Photons are the basic unit of light energy.

Answer 1

True

Question 2

When electrons break free from orbit around the nucleus, they are called free electricity.

Answer 2

False

Question 3

Atoms are the basic building blocks that make up all matter.

Answer 3

True

Question 4

There are three major types of particles that make up an atom: electrons, protons, and ______________________.

Question 5

Semiconductors have many free electrons and allow current to flow easily.

Question 6

What is electric current?

Question 7

The Law of Charges states: _________ charges attract and unlike charges repel.

Question 8

Light has both wave and _____________ characteristics.

Question 9

The orbit farthest from the nucleus contains the ____________ electrons.

Question 10

An atom has an equal number of protons and electrons.

Question 11

Describe the charge of protons, electrons, and neutrons as well as their location with an atom.

Question 12

Why are valence electrons of primary interest in electricity?

Question 13

A(n) ______________ is a solid piece of pure material.

Question 14

What are the three categories of materials used in electricity?

Question 15

A(n) ________________ is the smallest part of an element that still has the characteristics of the element.