Chapter 2: Atoms, Elements & Compounds Quiz
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Questions and Answers

What is the smallest unit of an element that still retains the properties of that element?

  • Electron
  • Atom (correct)
  • Molecule
  • Proton

Which subatomic particle carries a negative charge?

  • Proton
  • Neutron
  • Electron (correct)
  • Nucleus

What is the central part of an atom where protons and neutrons are located?

  • Nucleus (correct)
  • Atomic Mass
  • Valence Shell
  • Electron Cloud

How many electrons does a neutral carbon atom have?

<p>6 (D)</p> Signup and view all the answers

What type of bond involves the sharing of electrons between atoms?

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

Explain the difference between an atom and an element.

<p>An atom is the smallest unit of matter, while an element is a pure substance made of only one type of atom.</p> Signup and view all the answers

Describe the structure of a compound and provide an example.

<p>A compound is made up of two or more different elements chemically bonded together. An example is water (H2O).</p> Signup and view all the answers

What is the significance of the atomic number of an element?

<p>The atomic number represents the number of protons in the nucleus of an atom of that element.</p> Signup and view all the answers

Explain how isotopes of an element differ from each other.

<p>Isotopes of an element have the same number of protons but different numbers of neutrons.</p> Signup and view all the answers

What is the role of electrons in chemical bonding?

<p>Electrons are involved in forming chemical bonds between atoms by being shared, gained, or lost.</p> Signup and view all the answers

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