Which pair of atom - Study guides, Class notes & Summaries

1. The two primary forms of x-ray interaction in the diagnostic range are _____. a. Compton scattering and photoelectric absorption b. Compton scattering and pair production c. photoelectric absorption and coherent scattering d. coherent scattering and Thompson scattering ANS: A The two primary forms of x-ray interaction in the diagnostic range are Compton scattering and photoelectric absorption. DIF: Moderate REF: page 148 OBJ: Describe each of the five x-ray interactions with matter. ...

Portage Learning CHEM 210 exams 1-8 and final exam Question 1 3 / 3 pts True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. True Correct! False Question 2 3 / 3 pts True or False: Biomolecules can have only two functional groups. True Correct! False Question 3 3 / 3 pts True or False: The following functional group is an alcohol. True Correct! False Question 4 3 / 3 pts True or False: In ...

GED Test 740 Questions with Verified Answers "WOW! Mom rides a kayak at noon." How are the underlined words alike? - CORRECT ANSWER They are palindromes Who was the author of Common Sense: Thomas Paine or Thomas Jefferson? - CORRECT ANSWER Thomas Paine What is NOT a real shark: hammerhead, shovelhead, or tigerhead? - CORRECT ANSWER tigerhead What is the force that slows down an object or stops its motion? - CORRECT ANSWER friction Which is greater than 90 degrees: an acute angle...

Chapter 9 Intro to Radiologic & Imaging Sciences & Patient Care _____________ _____________ is energy capable of penetrating matter and possesses sufficient energy to eject orbital electrons along its path - ionizing radiation The two basic sources of ionizing radiation exposure are ______________ radiation and ____________________ radiation sources. - natural and human-made The _____________ must outweigh the risks of any diagnostic study using ionizing radiation. - benefits Human-m...

Testbank for Biology 2nd Edition from OpenStax CollegeChapter 1 1 Figure 1.6 1: C; 2: F; 3: A; 4: B; 5: D; 6: E. The original hypothesis is incorrect, as the coffeemaker works when plugged into the outlet. Alternative hypotheses include that the toaster might be broken or that the toaster wasn't turned on. 3 Figure 1.16 Communities exist within populations which exist within ecosystems. 4 B 6 D 8 C 10 C 12 B 14 D 16 Answers will vary, but should apply the steps of the scientific method. One pos...

IB Bio A1.1 Water Questions and Answers Graded A+ List reasons why water is a substance on which life depends. A1.1.1 - Water as medium of life. 1. The first cells originated in water. 2. Water is the "universal solvent" allowing it to dissolve and transport molecules around a body. 3. Water is a metabolite in condensation and hydrolysis reactions. 4. Water is a temperature buffer in bodies and ecosystems. 5. Water maintains biological structures (such as phospholipid bilay...

In the case of H20, the oxygen atom covalently bonds unequally with 2 hydrogen atoms. This is why H20 is considered a _______ molecule. - polar Electrons are not evenly distributed; at any instant, they may accumulate by chance in one part of a molecule or another, causing every-changing regions of positive and negative charge that enable all atoms and molecules to stick to one another, known as - Van der Waals interactions. Which statement is true of all atoms that are anions? - The atom h...

BIO-100 Exam 5 Latest Update Graded A+ elements substances that cannot be divided into simpler substances through chemical reactions 92 There are ___ naturally occurring elements atomic number Indicates the number of protons in an element on the periodic table atomic weight Represents the total number of protons and neutrons in an element on the periodic table neutrons Atomic weight often appears as a decimal because it averages all naturally occurring isotopes of the elemen...

100 Biochemistry Exam 1 Questions with correct answers. Graded A Document Content and Description Below 100 Biochemistry Exam 1 Questions with correct answers Which of the following is found in RNA but not DNA A) Uracil B) Guanine C) Deoxyribose D) Phosphate E) Adenine >>>>Uracil Which of the fo llowing amino acids exhibits significant ultraviolet absorption above 250 nm? A) Alanine B) Tyrosine C) Methonine D) Glycine E) All of the above >>>>Tyrosine Collagen fibers hav...

covalent bonds form based on Ans:the sharing of electrons that provides an octet of electrons for each most energetically stable elements in the periodic table Ans:noble gases noble gases are also referred to as Ans:inert gases octet rule Ans:all atoms should strive to have 8 electrons in their outermost shell to achieve the most energetically stable state valence electrons Ans:electrons found in the highest energy shell of an atom (aka the highest principle quantum number, n, shell...