Lesson 1: The Atom Flashcards
1
Q
Who developed the atomic theory?
A
John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr
2
Q
How can we describe atoms?
A
by atomic number and mass number
3
Q
What are the parts of an atom?
A
Protons (the positively charged subatomic particles)
Neutrons(the neutral subatomic particles)
Electrons(the negatively charged subatomic particles)
4
Q
Where are protons, neutrons, and electrons found?
A
Protons and neutrons can be found in the nucleus of an atom which is in the center
Electrons can be found in the electron cloud surrounding the atom
