Deck 1: An Introduction to Electricity and Electronics

Question 1

Metals are fairly good conductors of electricity because they have many free electrons that can move from atom to atom.

Answer 1

True

Question 2

The name neutron indicates that this heavy particle is electrically ____; neutrality and weight are its most important properties.

A)positive
B)neutral
C)negative
D)ambiguous

Answer 2

B

Question 3

Anything that repels charged glass is like charged glass and has a neutral charge.

Answer 3

False

Question 4

The nucleus of the atom is the name given to the tightly packed, heavy central core where the protons of the atom are assembled.

Question 5

The study of electricity precedes the study of electronics.

Question 6

The word molecule is the name for the smallest particle of an element.

Question 7

The arrangement of electrons around the atom determines most of the physical and chemical properties and the behavior of an element.

Question 8

Elements with five, six, or seven electrons in their outermost ring are classified as ____.

A)metals
B)unstable
C)nonmetals
D)molecules

Question 9

Electricity is available to the consumer in two different forms: ____ and ____.

A)direct current (DC) and alternating current (AC)
B)direct current (DC) and complete current (CC)
C)alternating current (AC) and atomic current (ATC)
D)directional current (DC) and alternative current (AC)

Question 10

All of the thousands of kinds of materials on the Earth consist of various combinations of simple materials called ____.

A)atoms
B)protons
C)elements
D)chemicals

Question 11

Electricity is best thought of as a form of ____.

A)electronics
B)polarity
C)energy
D)insulation

Question 12

Atoms of ____ gas are the simplest in structure of all atoms.

A)carbon
B)oxygen
C)chlorine
D)hydrogen

Question 13

The word ion refers to an electrically balanced atom.

Question 14

The first written records describing electrical behavior were made ____ years ago.

A)100
B)500
C)1,200
D)2,500

Question 15

The positively charged particle has been given the name proton; the negatively charged particle is called an electron.

Question 16

The outermost shell around the nucleus is known as the ____ shell.

A)nuclear
B)electron
C)valence
D)atomic

Question 17

The word electric means having the property of attraction.

Question 18

The word ____ is the name for a material composed of two or more different elements combined.

A)compound
B)molecule
C)atom
D)chemical

Question 19

The law of ____ states that unlike charges attract, and like charges repel.

A)thermodynamics
B)conductivity
C)confluence and divergence
D)attraction and repulsion

Question 20

One of the cardinal rules of science states that energy can be both created and destroyed.