Chemistry Fundamentals and Engineering Applications Quiz

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following is NOT one of the topics covered in Chem 15 course outline?

  • Determining changes that matter undergoes
  • Predicting the po (correct)
  • Identifying the numbers of protons, electrons, and neutrons in a particular isotope
  • Calculating the formula weight and molecular weight

Which of the following is the correct formula to calculate the number of moles?

  • Moles = Mass - Molar mass
  • Moles = Mass x Molar mass
  • Moles = Mass / Molar mass (correct)
  • Moles = Mass + Molar mass

Which of the following is the correct definition of an atom?

  • The smallest unit of an element that retains its chemical properties (correct)
  • A substance that exists in a gaseous state at room temperature
  • A substance that cannot be broken down into simpler substances by chemical means
  • A substance made up of two or more different elements chemically bonded together

Which of the following is the correct definition of a compound?

<p>A substance made up of two or more different elements chemically bonded together (B)</p> Signup and view all the answers

Which of the following is the correct definition of an isotope?

<p>An atom of an element with a different number of neutrons (A)</p> Signup and view all the answers

Which of the following is the correct definition of a compound?

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

Which of the following is the correct definition of an isotope?

<p>An isotope is an atom that has a different number of protons than electrons. (A)</p> Signup and view all the answers

Which of the following is the correct definition of an atom?

<p>An atom is the smallest unit of matter that retains the chemical properties of an element. (C)</p> Signup and view all the answers

Which of the following is NOT one of the topics covered in Chem 15 course outline?

<p>Writing balanced chemical equations for simple reactions (A)</p> Signup and view all the answers

Which of the following is the correct formula to calculate the number of moles?

<p>Number of moles = Mass of substance / Molar mass of substance (D)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser