Basic Chemistry Quiz

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Questions and Answers

What does ionization mean?

  • An electron loses protons.
  • An atom loses or gains protons.
  • A proton loses electrons.
  • An atom loses or gains electrons. (correct)

In the periodic system of elements, which is the simplest element?

  • Neon
  • Helium
  • Hydrogen (correct)
  • Oxygen

Coulomb's law describes:

  • The resistance of materials in their different states.
  • The forces created between two charged objects. (correct)
  • The flow of current through different materials.
  • The behavior of light in a vacuum.

What is the definition of electric current?

<p>The flow of electric charges past a given point. (C)</p> Signup and view all the answers

What is the unit of measurement for electric potential difference?

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

What is the main component of a solar cell?

<p>Metal baseplate, Semiconductor layer, translucent metal layer (A)</p> Signup and view all the answers

What is the definition of ionization?

<p>An atom loses or gains electrons (C)</p> Signup and view all the answers

What does Coulomb's law describe?

<p>The forces created between two charged objects (B)</p> Signup and view all the answers

Which metals are commonly used for thermocouples?

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

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