Podcast
Questions and Answers
What distinguishes one chemical element from another?
What distinguishes one chemical element from another?
- The size of their atoms
- The number of protons in their atoms (correct)
- The number of neutrons in their atoms
- The number of electrons in their atoms
What is the electric charge of an atom when the numbers of protons and electrons are equal?
What is the electric charge of an atom when the numbers of protons and electrons are equal?
- Positively charged
- Electrically neutral (correct)
- Negatively charged
- Variable depending on other factors
What is the primary reason humans cannot see atoms with conventional microscopes?
What is the primary reason humans cannot see atoms with conventional microscopes?
- Atoms are transparent
- Atoms are too dense
- Atoms are constantly moving
- Atoms are smaller than the shortest wavelength of visible light (correct)
What are atoms with the same number of protons but a different number of neutrons called?
What are atoms with the same number of protons but a different number of neutrons called?
Where is more than 99.94% of an atom's mass located?
Where is more than 99.94% of an atom's mass located?
Which type of structure features connections between components that are neighbors in space?
Which type of structure features connections between components that are neighbors in space?
Which type of load-bearing structure is an example of a non-building structure?
Which type of load-bearing structure is an example of a non-building structure?
What is one of the tasks of structural engineering in relation to physical structures?
What is one of the tasks of structural engineering in relation to physical structures?
Which type of structural element can be classified as two-dimensional?
Which type of structural element can be classified as two-dimensional?
Flashcards are hidden until you start studying
