Guess Who
Atoms
Vocabulary
Symbols
Miscellaneous
100
This person used the cathode-ray tube to discover the electron.
Who was J.J Thompson?
100
This particle in the atom has no charge.
What is the neutron?
100
The smallest unit of all matter
What is an atom?
100
The atomic number of 8 and it's symbol is O.
What is Oxygen?
100
The sum of the numbers of protons and neutrons in the nucleus.
What is the mass number?
200
This person discovered the nucleus.
Who was Ernest Rutherford?
200
This is the negatively charged particle in the atom.
What is the electron?
200
The number of protons in the nucleus of an atom.
What is the Atomic number?
200
The atomic number of 78 and it's symbol is Pt.
What is Platinum?
200
This electron shell can hold up to 2 electrons.
What is the 1st shell?
300
This person discovered the neutron.
Who was James Chadwick?
300
This is the positively charged particle in the atom.
What is proton?
300
An atom that has the same number of protons as other atoms of the same element but different a different atomic mass.
What is an isotope?
300
The atomic number of 28 and it's symbol is Ni.
What is Nickel?
300
This is the model of the atom that we use today
What is the Bohr model?
400
He used the gold foil experiment to disprove the the "plum pudding model" of an atom.
Who was Ernest Rutherford?
400
This is where protons and neutrons are usually found.
What is the nucleus?
400
This is the SI base unit that describes the amount of a substance.
What is a mole?
400
The atomic number of 97 and it's symbol is Bk.
What is Berkelium?
400
Atomic Mass - Atomic Number =
What are the number of neutrons.
500
This person is known as the father of the modern Atomic Theory
Who is John Dalton?
500
This is the location that electrons can possibly be found.
What is the energy levels?
500
Once an atom reaches 8 valence electrons, it will no longer be reactive.
What is the octet rule?
500
The atomic number of 83 and it's symbol is Bi.
What is Bismuth?
500
There are the same number as protons in the atom.
What are electrons?
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