Scientists
Parts of the Atom
APE MAN
Isotopes & Mass Numbers
Charges
100
John Dalton was one scientist that helped make the name of the smallest piece of matter become popular. What was the name of the smallest piece of matter?
Atom
100
List all 3 subatomic particles in the atom
Proton
Neutron
Electron
100
What does APE MAN stand for?
Atomic Number = Proton Number = Electron Number
Mass Number - Atomic Number = Neutron Number
100
What 2 numbers are needed to determine an atom's mass number?
Atomic number + Neutron Number
100
What 2 numbers affect an atom's charge?
Proton Number & Electorn Number
200
Which scientist discovered the electron?
Thomson
200
What is the center of the atom called?
Nucleus
200
How many protons does Vanadium (V) have?
23 protons
200
How many neutrons are in calcium-41?
21 neutrons
200
An atom that has 8 protons has a charge of -2.
Should it have more, less, or the same number of electrons?
More electrons
300
The gold foil experiment, performed by Rutherford, discovered what part of the atom?
Nucleus
300
Where are all the negative charges of an atom located?
All outside & around the nucleus
300
What element has 10 protons?
Neon (Ne)
300
What is the main difference between 4Li & 5Li?
1. The mass numbers are different
OR
2. They have a different number of neutrons
300
Opposite charges will often be attracted to each other while the same charges get pushed apart.
If a proton is flying towards another particle, what other subatomic particle would need to be there to attract the proton?
An electron
400
This model best represent's which scientist's atomic model?
Rutherford
400
Where are the positive charges of an atom located?
In the nucleus/the center of the atom
400
What is the specific term for any atom that has the same number of protons and electrons?
A neutral atom
400
Can 4He & 4Li be isotopes of one another?
Explain your answer
NO
Isotopes need to be the same element
400
If an atom has 9 protons, 10 electrons, and 10 neutrons, what would the charge of the atom be?
-1
500
Which scientist(s) discovered that electrons do not simply just float around in random motion around the nucleus of the atom?
Bohr
OR
Hiesenberg/Shrodinger
500
Using this Bohr Model, what is one possible name for the circles in the model?
Rings
Quantized States
Energy Levels
Electron Clouds
500
What would the mass number of an atom with 23 protons, 21 electrons, and 27 neutrons be?
Mass Number = 50
500
What does it mean when two atoms are isotopes of one another?
1. They are the same element
AND
2. They have a different mass number/different number of neutrons
500
How many electrons does Ba+2 have?
54 electrons