Podcast
Questions and Answers
What is the basic particle of the chemical elements?
What is the basic particle of the chemical elements?
- Proton
- Neutron
- Atom (correct)
- Electron
What percentage of an atom's mass is in the nucleus?
What percentage of an atom's mass is in the nucleus?
- More than 99.94% (correct)
- Around 75%
- Less than 50%
- Exactly 50%
What defines the isotope of an element?
What defines the isotope of an element?
- Atomic mass
- Number of protons
- Number of neutrons (correct)
- Number of electrons
Why is it not possible to accurately predict the behavior of atoms using classical physics?
Why is it not possible to accurately predict the behavior of atoms using classical physics?
What distinguishes one chemical element from another?
What distinguishes one chemical element from another?