Biology Terminology and Elements Quiz
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Questions and Answers

What does the prefix 'Chemo' refer to?

  • Disease
  • Chemical (correct)
  • Nucleus
  • Clusters
  • Which term refers to clusters of bacteria?

  • -coccus
  • Strepto
  • Staphylo (correct)
  • Nucleo
  • What does the suffix '-emia' signify?

  • Chemical
  • Twisted chains
  • Blood condition (correct)
  • Berry shaped
  • What does the prefix 'Patho' indicate?

    <p>Disease</p> Signup and view all the answers

    Which of the following prefixes indicates a twisted chain formation?

    <p>Strepto</p> Signup and view all the answers

    Which subatomic particle is negatively charged?

    <p>Electron</p> Signup and view all the answers

    Which subatomic particle determines the atomic number of an element?

    <p>Proton</p> Signup and view all the answers

    In the periodic table, elements are primarily organized by:

    <p>Atomic number</p> Signup and view all the answers

    Which subatomic particle has no charge?

    <p>Neutron</p> Signup and view all the answers

    What is the primary factor that influences an element's chemical behavior?

    <p>Number of electrons in the outer shell</p> Signup and view all the answers

    What element constitutes the largest percentage of the human body?

    <p>Oxygen</p> Signup and view all the answers

    Which of the following elements has the lowest percentage in the human body?

    <p>Magnesium</p> Signup and view all the answers

    What percentage of the human body is made up of Nitrogen?

    <p>3.2</p> Signup and view all the answers

    Which two elements together account for approximately 28.0% of the human body?

    <p>Carbon and Hydrogen</p> Signup and view all the answers

    Which element is categorized under 'Others' with a percentage of less than 1.0 in the human body?

    <p>Boron</p> Signup and view all the answers

    What information is unique to each element in the periodic table?

    <p>Atomic number</p> Signup and view all the answers

    Which classification is NOT used for elements in the periodic table?

    <p>Noble gases</p> Signup and view all the answers

    What does the atomic mass represent in the periodic table?

    <p>The average mass of an atom of that element</p> Signup and view all the answers

    Which sections are labeled in the periodic table?

    <p>Lanthanides and Actinides</p> Signup and view all the answers

    Which of the following is found in each element's box in the periodic table?

    <p>Element name</p> Signup and view all the answers

    What does the weighted average of atomic mass represent?

    <p>The average atomic mass of all isotopes</p> Signup and view all the answers

    What is the charge of a neutron?

    <p>Neutral</p> Signup and view all the answers

    What characteristic makes radioisotopes unstable?

    <p>Excess neutrons</p> Signup and view all the answers

    Which subatomic particle can vary in number without changing the identity of the atom?

    <p>Neutron</p> Signup and view all the answers

    What is emitted by radioisotopes as they lose nuclear components?

    <p>High-energy radiation</p> Signup and view all the answers

    How long can the physical half-life of a radioisotope vary?

    <p>From seconds to thousands of years</p> Signup and view all the answers

    What effect does varying the number of electrons have on an atom?

    <p>It creates ions.</p> Signup and view all the answers

    What is the smallest particle that exhibits the chemical properties of an element?

    <p>Atom</p> Signup and view all the answers

    What occurs during the physical half-life of a radioisotope?

    <p>50% of the radioisotope becomes stable</p> Signup and view all the answers

    Which of the following is NOT one of the three forms of matter found in the human body?

    <p>Plasma</p> Signup and view all the answers

    Which example corresponds to a gaseous state of matter in the human body?

    <p>Oxygen</p> Signup and view all the answers

    What is matter primarily composed of?

    <p>Atoms</p> Signup and view all the answers

    Which of the following best describes 'matter'?

    <p>Anything that occupies space and has mass</p> Signup and view all the answers

    What trend occurs with electronegativity as you move across a period in the periodic table?

    <p>Electronegativity increases</p> Signup and view all the answers

    How does the atomic number change in the periodic table?

    <p>It increases from left to right and top to bottom</p> Signup and view all the answers

    What can be inferred about the relationship between electron arrangement and electronegativity?

    <p>Electron arrangement affects electronegativity trends</p> Signup and view all the answers

    What is not directly shown in the periodic table regarding elements?

    <p>The arrangement of electron shells</p> Signup and view all the answers

    What does the periodic table indicate about the relationship of elements?

    <p>Elements are organized by their properties</p> Signup and view all the answers

    What principle explains why elements tend to lose, gain, or share electrons?

    <p>Octet rule</p> Signup and view all the answers

    What is the desired number of electrons in an outer shell according to the octet rule?

    <p>8 electrons</p> Signup and view all the answers

    Which of the following correctly describes the process when elements adjust their electrons?

    <p>Atoms achieve stability</p> Signup and view all the answers

    Which option reflects a misconception about the octet rule?

    <p>All elements must lose electrons to be stable</p> Signup and view all the answers

    What is one effect of achieving a complete outer shell of electrons?

    <p>Lower energy state</p> Signup and view all the answers

    What defines isotopes of the same element?

    <p>They have different numbers of neutrons.</p> Signup and view all the answers

    Which of the following statements about isotopes is true?

    <p>Isotopes have identical chemical characteristics.</p> Signup and view all the answers

    Among the isotopes of carbon, which is the most prevalent?

    <p>Carbon-12</p> Signup and view all the answers

    How many neutrons does Carbon-13 contain?

    <p>7</p> Signup and view all the answers

    Which of the following statements is incorrect regarding isotopes?

    <p>Isotopes are identical in every aspect.</p> Signup and view all the answers

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