What's your story?
Pieces of Me
Isotopes and Ions
The P.T.
What am I?
100
Democritus
Who first believed in the atom?
100
Protons, Neutrons, and Electrons
What are the subatomic particles?
100
Isotope
My number of protons is the same while my number of neutrons changes. I am an...
100
Periods
Also known as rows...
100
Nonmetal
Dull and brittle...
200
John Dalton
I made the theory on atoms.
200
Atomic Number
What identifies the element and the #of protons?
200
It is a weighted average of all isotopes of an atom.
Why is mass number a decimal?
200
Groups
These go up and down.
200
Metal
Great conductor or heat and energy?
300
Ernest Rutherford
Who found the nucleus?
300
Mass Number
The sum of the protons and neutrons.
300
Negative
What charge does an atom carry if it gains more electrons?
300
Electron Dot Diagrams
Model of an atom in which each dot represents the valence electrons...
300
Metalloid
You can find me on the "stair step"
400
Neil Bohr
This person established the energy levels.
400
The number of protons which is your atomic number
Where do you find your number of electrons?
400
Isotope
Isotope or different element? Element E- 12 protons, 18 neutrons Element D- 12 electrons, 14 neutrons
400
Oxidation #
What is the number of electrons an atom will gain or lose called?
400
Francium
What is the most reactive metal?
500
Electron Cloud Model
What is the current model of the atom?
500
Mass number subtract the atomic number
How do you find the number of neutrons?
500
Element name/symbol, dash, mass #
What is the correct way to write an isotope?
500
Bohr's Model
Focuses on electrons and places them into energy levels.
500
Flourine
I am the most reactive nonmetal...
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