Deck 1: Atomic Structure

Question 1

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

A) ​100
B) ​1000
C) ​2500
D) ​5000

Answer 1

C

Question 2

What force is demonstrated in objects with unlike charges?​

A) ​attraction
B) ​repulsion

Answer 2

A

Question 3

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

A) ​an atom
B) ​a neutron
C) ​a proton
D) ​an electron

Answer 3

A

Question 4

What part of an atom has a positive charge?​

A) ​quark
B) ​neutron
C) ​proton
D) ​electron

Question 5

​What type of current flows in only one direction? A) ​direct
B) ​alternating

Question 6

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

A) ​four
B) ​six
C) ​eight
D) ​twelve

Question 7

Matter has mass and occupies space.​

Question 8

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

A) ​one and three
B) ​two and four
C) ​three and five
D) ​four and six

Question 9

The nucleus of an atom contains_____.​

A) ​electrons and protons
B) ​electrons and quarks
C) ​neutrons and protons
D) ​neutrons and quarks

Question 10

The atomic number of an element is the number of ______​ in the nucleus.

A) ​quarks
B) ​neutrons
C) ​protons
D) ​electrons

Question 11

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

Question 12

Direct current is described as _____.​

A) ​omnidirectional
B) ​unidrectional
C) ​bidirectional

Question 13

What force is demonstrated ​in objects with like charges?

A) ​attraction
B) ​repulsion

Question 14

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

A) ​direct
B) ​alternating

Question 15

What are the three principle parts of an atom?​

A) ​electron, proton, and quark
B) neutron, positron, and electron
C) ​electron, neutron, and proton
D) ​neutron, quark, and electron

Question 16

What part of an atom has no charge?​

A) ​quark
B) ​neutron
C) ​proton
D) ​electron

Question 17

Alternating current is described as _____.​

A) ​omnidirectional
B) ​unidirectional
C) ​bidirectional

Question 18

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

A) ​attract; repel
B) ​repel; attract
C) ​combine; counteract
D) ​counteract; combine

Question 19

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

A) ​inner
B) ​outer
C) ​middle
D) ​bottom

Question 20

What part of an atom has a negative charge?​

A) ​quark
B) ​neutron
C) ​proton
D) ​electron

Question 21

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

Question 22

Electrical current is the flow of ____.​

A) ​quarks
B) ​neutrons
C) ​protons
D) ​electrons

Question 23

A semiconductor contains _____ valence electrons.​

A) ​three
B) ​four
C) ​five
D) ​seven

Question 24

What is the most common method of producing electricity?​

A) ​chemicals
B) ​friction
C) ​magnetism
D) ​light

Question 25

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.​

Question 26

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

Question 27

An insulator is a material containing _____ valence electrons.​

A) ​one or two
B) ​three or four
C) ​five or six
D) ​seven or eight