Particles
What are the names of the 3 particles found in an atom ?
Electron, proton, neutron
What is the name of the model we use to show what atoms look like ?
The Rutherford model
What is the name of the chart that shows all of the elements ?
The Periodic Table of Elements
What is the electrical charge of an electron ?
negative
Where is all of the mass found in an atom ?
the nucleus
There are 2 particles in the center of an atom. Collectively [together] they are called this.
nucleus
How many electrons [maximum] can the first shell of an atom hold ?
2
How are the elements arranged in the Periodic Table ?
By proton number.
What is the charge of a proton ?
positive
What is the mass of an electron ?
0
What is the name of the particles that orbit around the outside of an atom ?
electrons
How many electrons [maximum] can every shell [except the first shell] hold ?
8
Where are metals found on the Periodic Table ?
the left side
What is the charge of a neutron ?
no charge / neutral
What is the mass of a proton ?
1
What are the names of the two particles found in the center of an atom ?
neutron and proton
What does a group number tell you ?
How many electrons are in the outer shell of an atom.
Where are nonmetals found on the Periodic Table ?
the right side
What is the overall electrical charge of an atom ? [+, -, or neutral]
neutral
What is the mass of a neutron ?
1
What do we call the layers of electrons ?
shells
What does the period number tell you ?
How many electron shells an atom has.
What is the nucleon number ?
The total number of neutrons and protons in an atom. [added together]
What do we call atoms that have a positive or negative charge ?
an ion
What force hold electrons in their orbit around the nucleus ?
electrostatic force