Question 1

The major advantage of neutron activation analysis is that it provides a nondestructive method for identifying and quantitating trace elements.

Accepted Answer

A) True 
 B)False

Question 2

Surface texture is the most important of the characteristics that a criminalist looks for when comparing paint chips.

Accepted Answer

A) True 
 B)False

Question 3

Elements selectively absorb and emit ________.

Accepted Answer

The answer of Elements selectively absorb and emit ________....

Question 4

The three types of radiation are alpha particles, beta particles, and ________ rays.

Accepted Answer

The answer of The three types of radiation are alpha...

Question 5

Isotopes have different atomic mass numbers.

Accepted Answer

A) True 
 B)False

Question 6

The nucleus of an atom contains:

Accepted Answer

A) Neutrons. 
B) Neutrons and electrons. 
C) Protons and electrons. 
D) Protons and neutrons. 
A) Neutrons. 
B) Neutrons and electrons. 
C) Protons and electrons. 
D) Protons and neutrons.

Question 7

Automobile finishes typically contain which layers?

Accepted Answer

A) Colorcoat 
B) An electrocoat primer, colorcoat, and clearcoat 
C) Clearcoat 
D) Electrocoat primer and colorcoat 
A) Colorcoat 
B) An electrocoat primer, colorcoat, and clearcoat 
C) Clearcoat 
D) Electrocoat primer and colorcoat

Question 8

Radioactivity is composed of:

Accepted Answer

A) Alpha particles. 
B) Beta particles. 
C) Gamma rays. 
D) All of the above 
A) Alpha particles. 
B) Beta particles. 
C) Gamma rays. 
D) All of the above

Question 9

Describe the process of neutron activation analysis. How does the process allow a forensic scientist to identify an isotope?

Accepted Answer

(should include points such as):
In neut

Question 10

When an electron moves to a lower-energy orbital, it ________ energy.

Accepted Answer

The answer of When an electron moves to a lower-energy...

Question 11

Paint chips may be individualized to a single source by examining their:

Accepted Answer

A) Infrared spectra. 
B) Ultraviolet spectra. 
C) Color and layer structure. 
D) Pyrograms. 
E) Their relative size. 
A) Infrared spectra. 
B) Ultraviolet spectra. 
C) Color and layer structure. 
D) Pyrograms. 
E) Their relative size.

Question 12

How does a nuclear reactor generate radioactive elements?

Accepted Answer

(should include points such as):
In a nu

Question 13

Gamma rays are a high-energy form of electromagnetic radiation.

Accepted Answer

A) True 
 B)False

Question 14

Paint binders can be chemically analyzed using:

Accepted Answer

A) TLC. 
B) IR spectrophotometry. 
C) Pyrolysis GC. 
D) Both B and C 
A) TLC. 
B) IR spectrophotometry. 
C) Pyrolysis GC. 
D) Both B and C

Question 15

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once.
A)An atom differing from another atom of the same element in the number of neutrons in its nucleus
B)A type of emission spectrum showing a series of lines separated by black areas
C)A particle with no electrical charge that is one of the basic structures in the nucleus of an atom
D)The state in which an atom absorbs energy and an electron moves from a lower to a higher energy level
E)A negatively charged particle that is one of the fundamental structural units of the atom
F)Light emitted from a source and separated into its component colors or frequencies
G)The number of protons in the nucleus of an atom
H)The sum of the number of protons and neutrons in the nucleus of an atom
I)The path of electrons as they move around the nuclei of atoms
J)A positively charged particle that is one of the basic structures in the nucleus of an atom
-Proton

Accepted Answer

The answer of Match the word in Column 1 to...

Question 16

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once.
A)An atom differing from another atom of the same element in the number of neutrons in its nucleus
B)A type of emission spectrum showing a series of lines separated by black areas
C)A particle with no electrical charge that is one of the basic structures in the nucleus of an atom
D)The state in which an atom absorbs energy and an electron moves from a lower to a higher energy level
E)A negatively charged particle that is one of the fundamental structural units of the atom
F)Light emitted from a source and separated into its component colors or frequencies
G)The number of protons in the nucleus of an atom
H)The sum of the number of protons and neutrons in the nucleus of an atom
I)The path of electrons as they move around the nuclei of atoms
J)A positively charged particle that is one of the basic structures in the nucleus of an atom
-Neutron

Accepted Answer

The answer of Match the word in Column 1 to...

Question 17

Atoms having the same atomic number but different atomic masses are called:

Accepted Answer

A) Isobars. 
B) Isotopes. 
C) Isotherms. 
D) Isomers. 
A) Isobars. 
B) Isotopes. 
C) Isotherms. 
D) Isomers.

Question 18

Alpha particles are a form of radiation consisting of electrons.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following statements is correct?

Accepted Answer

A) All atoms of an element have the same atomic mass number. 
B) All atoms of an element have the same number of protons. 
C) All atoms of an electron have the same number of neutrons. 
D) All atoms of an element have an equal number of neutrons and electrons. 
A) All atoms of an element have the same atomic mass number. 
B) All atoms of an element have the same number of protons. 
C) All atoms of an electron have the same number of neutrons. 
D) All atoms of an element have an equal number of neutrons and electrons.

Question 20

Neutron activation analysis involves bombarding specimens with neutrons and then measuring the resultant:

Accepted Answer

A) X rays. 
B) Gamma rays. 
C) Beta particles. 
D) Alpha particles. 
A) X rays. 
B) Gamma rays. 
C) Beta particles. 
D) Alpha particles.

The major advantage of neutron activation analysis is that it provides a nondestructive method for identifying and quantitating trace elements.

Surface texture is the most important of the characteristics that a criminalist looks for when comparing paint chips.

Elements selectively absorb and emit ________.

The three types of radiation are alpha particles, beta particles, and ________ rays.

Isotopes have different atomic mass numbers.

The nucleus of an atom contains:

Automobile finishes typically contain which layers?

Radioactivity is composed of:

Describe the process of neutron activation analysis. How does the process allow a forensic scientist to identify an isotope?

When an electron moves to a lower-energy orbital, it ________ energy.

Paint chips may be individualized to a single source by examining their:

How does a nuclear reactor generate radioactive elements?

Gamma rays are a high-energy form of electromagnetic radiation.

Paint binders can be chemically analyzed using:

Atoms having the same atomic number but different atomic masses are called:

Alpha particles are a form of radiation consisting of electrons.

Which of the following statements is correct?

Neutron activation analysis involves bombarding specimens with neutrons and then measuring the resultant:

Introduction

The Crime Scene

Physical Evidence

Crime Scene Reconstruction: Blood Stain Pattern Analysis

Death Investigation

Fingerprints

Forensic Biometrics

The Microscope

Firearms, Tool Marks, and Other Impressions

Matter, Light, and Glass Examination

Hairs and Fibers

Drugs

Forensic Toxicology

Forensic Serology

DNA: The Indispensable Forensic Science Tool

Forensic Aspects of Fire and Explosion Investigation

Document Examination

Computer Forensics

Mobile Device Forensics

Filters

Exam 14: Metals, Paint, and Soil

The major advantage of neutron activation analysis is that it provides a nondestructive method for identifying and quantitating trace elements.

Surface texture is the most important of the characteristics that a criminalist looks for when comparing paint chips.

Elements selectively absorb and emit ________.

The three types of radiation are alpha particles, beta particles, and ________ rays.

Isotopes have different atomic mass numbers.

The nucleus of an atom contains:

Automobile finishes typically contain which layers?

Radioactivity is composed of:

Describe the process of neutron activation analysis. How does the process allow a forensic scientist to identify an isotope?

When an electron moves to a lower-energy orbital, it ________ energy.

Paint chips may be individualized to a single source by examining their:

How does a nuclear reactor generate radioactive elements?

Gamma rays are a high-energy form of electromagnetic radiation.

Paint binders can be chemically analyzed using:

Atoms having the same atomic number but different atomic masses are called:

Alpha particles are a form of radiation consisting of electrons.

Which of the following statements is correct?

Neutron activation analysis involves bombarding specimens with neutrons and then measuring the resultant:

Introduction

The Crime Scene

Physical Evidence

Crime Scene Reconstruction: Blood Stain Pattern Analysis

Death Investigation

Fingerprints

Forensic Biometrics

The Microscope

Firearms, Tool Marks, and Other Impressions

Matter, Light, and Glass Examination

Hairs and Fibers

Drugs

Forensic Toxicology

Forensic Serology

DNA: The Indispensable Forensic Science Tool

Forensic Aspects of Fire and Explosion Investigation

Document Examination

Computer Forensics

Mobile Device Forensics

Filters