S5 Flashcards
What conclusion did Rutherford make about the atom based on his Gold Foil Experiment?
Most of the atom is empty space, with few particles being deflected at small angles and very rarely at large angles.
What are the three subatomic particles?
Proton, Neutron, Electron
What is the symbol for Proton?
p+
What is the charge of a Neutron?
1 amu
What is the relative mass of an Electron?
1/1836
Where are Protons located in an atom?
Inside the nucleus
What is an atom?
The basic building block of matter
Why are Protons important in an atom?
They determine the identity of the element
What does APE MAN stand for?
Atomic number, Protons, Electrons, Neutrons, Mass number
Fill in the blank: The relative mass of a Proton is _______.
1
Fill in the blank: Electrons are located _______ the nucleus.
outside
True or False: Neutrons have a positive charge.
False