Deck 1: Atomic Structure

Question 1

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

Answer 1

A

Question 2

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

Answer 2

C

Question 3

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

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

Answer 3

C

Question 4

What type of current flows in only one direction?

A) direct
B) alternating

Question 5

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

A) four
B) six
C) eight
D) twelve

Question 6

Matter has mass and occupies space.

Question 7

A basic law of physics states that like charges and opposite charges .

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

Question 8

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

Question 9

What part of an atom has a positive charge?

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

Question 10

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

A) 100
B) 1000
C) 2500
D) 5000

Question 11

Alternating current is described as .

A) omnidirectional
B) unidirectional
C) bidirectional

Question 12

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

Question 13

What force is demonstrated in objects with like charges?

A) attraction
B) repulsion

Question 14

The valence shell of an atom is the shell.

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

Question 15

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

A) direct
B) alternating

Question 16

The nucleus of an atom contains .

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

Question 17

What force is demonstrated in objects with unlike charges?

A) attraction
B) repulsion

Question 18

Direct current is described as .

A) omnidirectional
B) unidirectional
C) bidirectional

Question 19

What part of an atom has no charge?

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

Question 20

What part of an atom has a negative charge?

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

Question 21

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 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

Producing electricity from light involves the use of particles called .

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