Parts of the Atom
Atomic Timeline
Periodic Table
Atomic Facts
Mixed Category
100
How many subatomic particles are there?
Three
100
Describe the Plum Pudding Model (draw it on the board)
See answer.
100
What is the element symbol for TIN
Sn
100
How many electrons are in the FIRST energy level?
A maximum of two
100
What three characteristics can help us distinguish between protons, neutrons, and electrons?
Mass, Charge, Location
200
Which subatomic particle is negatively charged?
Electron
200
Atoms are indivisible and indestructible. Who came up with this theory?
John Dalton
200
What is the atomic number of mercury?
See periodic table.
200
What numbers must be equal for an atom to be NEUTRAL?
Protons and Electrons
200
What charge do protons have?
Positive
300
Which subatomic particle is neutral?
Neutron
300
Who coined the term ATOM?
Democritus
300
What does the atomic number equal?
Number of PROTONS
300
Electrons move slow around the nucleus of the atom. (True/False)
False
300
Draw a picture of the atom as we know it today.
See drawing.
400
What are the two subatomic particles in the nucleus of the atom?
Proton and Neutron
400
Earnest Rutherford conducted what experiment?
Gold Foil Experiment
400
How many electrons are in Lithium?
3
400
What number of electrons are in the THIRD energy level?
18
400
Who worked with Cathode Ray Tubes?
JJ Thomson
500
Where are the electrons of the atom located?
In energy levels outside of the nucleus
500
James Chadwick found the
Neutron
500
Mass number is equal to what?
Protons + Neutrons
500
Protons and Neutrons are much larger than Electrons. (True/False)
True
500
Who came up with the modern-day model of the atom?
Neils Bohr
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