Vocabulary 1
Subatomic particle that has a positive charge.
Proton
electron
Rutherford's model of the atom
Nuclear Model
Draw the Bohr model of nitrogen.
7p
7n
7 e-
What is Francium's atomic number?
87
The subatomic particle which has no charge/is neutral.
Neutron
Negatively charged subatomic particle found outside the nucleus.
electron
the positive subatomic particle found in the nucleus of the atom.
Proton
An element has 27 protons. What is the element?
Cobalt
How many protons does Francium have?
87
The two subatomic particles that make up the majority of the atom's mass are found where?
protons and neutrons/nucleus
Which 2 models of the atom do not contain any subatomic particles?
Democritus and Dalton's models
Schrodinger's model is also known as
Electron cloud model or quantum model
Draw the Bohr model of Phosphorus
15 p
15 n
15 e
An atom has 20 protons and 21 neutrons. What is its mass number?
The name of Bohr's model which suggested that electrons orbit the nucleus of an atom.
planetary model
the model of the atom by J.J. Thomson in which the atom was a sphere of positive charge with negative electrons embedded in it.
plum pudding model
What subatomic particles are included in the quantum model?
protons, neutrons, electrons
An element has 12 protons and 13 neutrons. What is its mass number?
25
15
Which model was discovered through the use of the gold foil experiment?
Rutherford/nuclear model
What model of the atom first introduced the concept of the nucleus?
Nuclear model/ Rutherford's model
What were Dalton's 4 parts of Atomic Theory
1. same atoms look the same/different look different
2. small whole number ratios
3. atoms make up everything
4. atoms cannot be created nor destroyed
Which model of the atom involved the use of the cathode ray tube?
Thompson/ Plumb Pudding Model
An atom has a mass number of 40 and an atomic number of 23. How many neutrons does it have?
17 neutrons