Podcast
Questions and Answers
What are the three subatomic particles that make up atoms?
What are the three subatomic particles that make up atoms?
- Protons, electrons, and isotopes
- Electrons, protons, and neutrons (correct)
- Neutrons, electrons, and positrons
- Nucleons, isotopes, and electrons
Which property defines each element?
Which property defines each element?
- Atomic weight and electron configuration
- Color and physical state
- Number of neutrons, protons, and electrons (correct)
- Molecular structure and boiling point
How many known elements are there in the periodic table?
How many known elements are there in the periodic table?
- Less than 25
- Exactly 50
- More than 200
- Over 100 (correct)
How are hydrogen and helium different from each other?
How are hydrogen and helium different from each other?
According to the kinetic theory of matter, why does matter expand when it is hot?
According to the kinetic theory of matter, why does matter expand when it is hot?
Which of the following substances cannot be reduced to a simpler form by chemical means?
Which of the following substances cannot be reduced to a simpler form by chemical means?
What is the characteristic of an element that prevents it from being reduced to a simpler form by chemical means?
What is the characteristic of an element that prevents it from being reduced to a simpler form by chemical means?
Which of the following statements accurately describes the nature of elements?
Which of the following statements accurately describes the nature of elements?
What is a compound?
What is a compound?
Which of the following is an example of a compound?
Which of the following is an example of a compound?
What distinguishes a compound from a mixture?
What distinguishes a compound from a mixture?
Flashcards are hidden until you start studying
