Vocabulary
Parts of the Atom
The Periodic Table
Atomic Models/ Theories
Atomic Math
100
The ____________ of an element is equal to the number of protons in an atom of that element.
Atomic Number
100
Where is the nucleus located in an atom?
The center
100
WW
Atomic Number
100
True or False: According to Dalton, all atoms of the same element have the same mass
True
100
An atom with an atomic number of 38 has how many protons?
38
200
A visual model of the most likely location of electrons in an atom
Electron Cloud Model
200
The overall charge of an atom is ________
Neutral
200
Atomic Mass
200
Who is credited with discovering the electron?
Thompson
200
An atom with an atomic number of 72 has how many electrons?
72
300
Mass number is found by adding ________ + ________
Protons + Neutrons
300
What are the charges of protons, neutrons, and electrons?
Positive, Neutral/No Charge, Negative
300
The number of __________ is unique for each element
protons
300
Rutherford's gold foil experiment provided evidence of what?
The Nucleus. A dense, positively charged mass at the center of the atom.
300
An atom with a mass number of 50 and 24 protons has how many neutrons?
26
400
Protons, Neutrons, and Electrons are called ________
Subatomic Particles
400
Which subatomic particles has the smallest mass?
Electrons
400
The periodic table is organized by ___________
Increasing Atomic Number
400
Who created the Plum Pudding/ Chocolate Chip Ice Cream Model?
Thompson
400
An atom with a mass number of 60 and an atomic number of 31 has how many neutrons?
29
500
Atoms of the same element that have different numbers of neutrons are called ___________
Isotopes
500
Which two particles are found in the nucleus?
Protons and Neutrons
500
Vertical Columns on the periodic table are called __________
Groups or Families
500
What analogy is used to describe Bohr's model?
Planets Orbiting the Sun
500
What is the mass number of an atom with 5 protons, 6 neutrons, and 5 electrons?
11