Podcast
Questions and Answers
Which one of these is true about atoms?
Which one of these is true about atoms?
- Atoms are the smallest part and building block of elements
- Atoms are made up of neutrons, protons, and electrons
- Atoms have the same number of protons and electrons
- All of the above (correct)
What are neutrons and protons?
What are neutrons and protons?
- Neutrons and protons are located in the nucleus of an atom (correct)
- Neutrons and protons revolve around the nucleus in an orbital
- Neutrons and protons have a positive charge
- Neutrons and protons are elementary particles
What is the charge of an electron?
What is the charge of an electron?
- Positive (+)
- Negative (+) (correct)
- Neutral
- None of the above
What is the mass of an electron relative to a proton?
What is the mass of an electron relative to a proton?
What is the atomic number of an element?
What is the atomic number of an element?
Which model of atoms was used until the early 1900s?
Which model of atoms was used until the early 1900s?
What did the solid sphere model of atoms fail to explain?
What did the solid sphere model of atoms fail to explain?
What are the sub-atomic particles that make up an atom according to the new model?
What are the sub-atomic particles that make up an atom according to the new model?
Where are protons and neutrons located within an atom?
Where are protons and neutrons located within an atom?
Why are atoms electrically neutral?
Why are atoms electrically neutral?
Which of the following correctly describes the composition of an atom's nucleus?
Which of the following correctly describes the composition of an atom's nucleus?
What is the overall electric charge of an atom?
What is the overall electric charge of an atom?
Which of the following statements about the mass of an atom is true?
Which of the following statements about the mass of an atom is true?
What is the atomic number of an arsenic atom?
What is the atomic number of an arsenic atom?
What did the early 1900s model of atoms fail to explain?
What did the early 1900s model of atoms fail to explain?
