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- Matter has mass and occupies space.
- True
- False
ANSWER: True
POINTS: 1
REFERENCES: 1-2 Atoms
2. Matter can exist in only two states: solid or liquid.
- True
- False
ANSWER: False
POINTS: 1
REFERENCES: 1-2 Atoms
- Direct current is described as _____.
- omnidirectional
- unidirectional
- bidirectional
ANSWER: b
POINTS: 1
REFERENCES: Preview
- Alternating current is described as _____.
- omnidirectional
- unidirectional
- bidirectional
ANSWER: c
POINTS: 1
REFERENCES: Preview
- What type of current flows in only one direction?
- direct
- alternating
ANSWER: a
POINTS: 1
REFERENCES: Preview PoweredbyCogneroPage1
Unit 1 Atomic Structure (Delmar's Standard Textbook of Electricity, 6e Stephen Herman ) (Test Bank all Chapters) 1 / 4
- What type of current reverses its direction of flow at regular intervals?
- direct
- alternating
ANSWER: b
POINTS: 1
REFERENCES: Preview
- The Greeks were the first to discover electricity about _____ years ago.
- 100
- 1000
- 2500
- 5000
ANSWER: c
POINTS: 1
REFERENCES: 1-1 Early History of Electricity
- What force is demonstrated in objects with like charges?
- attraction
- repulsion
ANSWER: b
POINTS: 1
REFERENCES: 1-1 Early History of Electricity
- What force is demonstrated in objects with unlike charges?
- attraction
- repulsion
ANSWER: a
POINTS: 1
REFERENCES: 1-1 Early History of Electricity
- What is the smallest part of an element that still retains the properties of that element?
- an atom
- a neutron
- a proton
- an electron
ANSWER: a
POINTS: 1
REFERENCES: 1-2 Atoms Poweredby CogneroPage 2
Unit 1 Atomic Structure 2 / 4
- What are the three principle parts of an atom?
- electron, proton, and quark
- neutron, positron, and electron
- electron, neutron, and proton
- neutron, quark, and electron
ANSWER: c
POINTS: 1
REFERENCES: 1-2 Atoms
- What part of an atom has a positive charge?
- quark
- neutron
- proton
- electron
ANSWER: c
POINTS: 1
REFERENCES: 1-2 Atoms
- What part of an atom has a negative charge?
- quark
- neutron
- proton
- electron
ANSWER: d
POINTS: 1
REFERENCES: 1-2 Atoms
- What part of an atom has no charge?
- quark
- neutron
- proton
- electron
ANSWER: b
POINTS: 1
REFERENCES: 1-2 Atoms Poweredby CogneroPage 3
Unit 1 Atomic Structure 3 / 4
- The nucleus of an atom contains _____.
- electrons and protons
- electrons and quarks
- neutrons and protons
- neutrons and quarks
ANSWER: c
POINTS: 1
REFERENCES: 1-2 Atoms
- The atomic number of an element is the number of _____ in the nucleus.
- quarks
- neutrons
- protons
- electrons
ANSWER: c
POINTS: 1
REFERENCES: 1-2 Atoms
- A basic law of physics states that like charges _____ and opposite charges _____.
- attract; repel
- repel; attract
- combine; counteract
- counteract; combine
ANSWER: b
POINTS: 1
REFERENCES: 1-3 The Law of Charges
- The valence shell of an atom is the _____ shell.
- inner
- outer
- middle
- bottom
ANSWER: b
POINTS: 1
REFERENCES: 1-6 Valence Electrons Poweredby CogneroPage 4
Unit 1 Atomic Structure
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