The Ultimate Elements Quiz chapter 2.1

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Questions and Answers

What are the four elements that make up over 90% of the human body?

  • Sulfur, Calcium, Iron, and Magnesium
  • Phosphorus, Potassium, Iodine, and Nitrogen
  • Carbon, Nitrogen, Oxygen, and Hydrogen (correct)
  • Sodium, Chlorine, Oxygen, and Hydrogen

What are the three subatomic particles that make up an atom?

  • Protons, Neutrons, and Photons
  • Electrons, Protons, and Photons
  • Protons, Neutrons, and Electrons (correct)
  • Electrons, Neutrinos, and Positrons

What is the maximum number of electrons the third shell can hold?

  • 18 (correct)
  • 32
  • 2
  • 8

What are the basic building blocks of matter that cannot be broken down by chemical means?

<p>Elements (B)</p> Signup and view all the answers

What is the maximum number of electrons that the third shell of an atom can hold?

<p>10 (B)</p> Signup and view all the answers

What is the charge of a neutron?

<p>Neutral (C)</p> Signup and view all the answers

What is the definition of an element?

<p>A basic building block of matter that cannot be broken down by chemical means. (C)</p> Signup and view all the answers

What is the most abundant element in the human body?

<p>Hydrogen (A)</p> Signup and view all the answers

What subatomic particles make up the nucleus of an atom?

<p>Neutrons and protons (D)</p> Signup and view all the answers

What is a molecule?

<p>Atoms of the same element bonded together (C)</p> Signup and view all the answers

What is a compound?

<p>Atoms of different elements bonded together (D)</p> Signup and view all the answers

What is an ionic bond?

<p>The attraction between a positive and negative ion (D)</p> Signup and view all the answers

What is a covalent bond?

<p>Atoms share electrons to fill their valence shells (B)</p> Signup and view all the answers

What is an ion?

<p>Charged particles resulting from an ionic reaction (D)</p> Signup and view all the answers

What is the difference between an ionic bond and a covalent bond?

<p>Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons (C)</p> Signup and view all the answers

What is a double covalent bond?

<p>When atoms share two pairs of electrons (B)</p> Signup and view all the answers

What is a triple covalent bond?

<p>When atoms share three pairs of electrons (A)</p> Signup and view all the answers

What is the difference between a double covalent bond and a triple covalent bond?

<p>Double covalent bonds share two pairs of electrons, while triple covalent bonds share three pairs of electrons (C)</p> Signup and view all the answers

What is the symbol for a molecule of water?

<p>H2O (B)</p> Signup and view all the answers

What are molecules made of?

<p>Atoms of different elements (D)</p> Signup and view all the answers

Which of the following is an example of a compound?

<p>H2O (B)</p> Signup and view all the answers

What are the two types of bonds that join atoms?

<p>Ionic bonds and covalent bonds (B)</p> Signup and view all the answers

What happens to atoms during an ionic reaction?

<p>Both A and B (D)</p> Signup and view all the answers

What is the result of an ionic bond?

<p>Attraction between a positive and negative ion (A)</p> Signup and view all the answers

What are covalent bonds?

<p>Atoms share electrons to fill their valence shells (B)</p> Signup and view all the answers

How many electrons do each atom contribute to a shared pair in a single covalent bond?

<p>One electron (D)</p> Signup and view all the answers

What is the difference between single, double, and triple covalent bonds?

<p>The number of electrons shared (B)</p> Signup and view all the answers

What is the result of taking electrons during a chemical reaction?

<p>Formation of ions (D)</p> Signup and view all the answers

Which of the following is NOT an example of a compound?

<p>O2 (B)</p> Signup and view all the answers

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