Scientists and their Atomic Models
This scientist discovered the electron
Who is JJ Thompson?
These are the three fundamental subatomic particles
What are the proton, neutron, and electron?
This element is known as the most electronegative element
What is fluorine?
This type of radioactive decay releases a helium nucleus
What is alpha decay?
This model describes atoms as indivisible, indestructible spheres
What is the Dalton model?
Protons and electron counts in an atom must always be equal because of this
What is their opposite charges (positive and negative)?
This trend involves adding energy levels as you move down a group on the periodic table
What is atomic radius?
Fill in the blank: _____ decay increases the amount of protons in the atom by 1
What is beta?
Rutherford discovered that atoms were mostly empty space containing _____ , _____ nucleus in the center
This is the name for atoms of the same element that contain different numbers of neutrons
What is/are isotopes?
This describes the minimum energy needed to remove an electron from an atom in the gaseous state
What is ionization energy?
Solve the equation:
21083Bi --> 0-1e + ____
What is 21084Po?
What are separate or specific energy levels?
This element contains 45 electrons and 58 neutrons
This feature allows boron to have a much lower ionization energy than beryllium
What is an extra energy level?
This type of decay, consisting of pure energy, can penetrate through your whole body and through many solid objects with ease
What is gamma decay?
Heisenberg's uncertainty principle states that these two things about an electron cannot be known simultaneously.
What are speed and position?
This element contains 22 protons and 30 neutrons (be specific in your answer)
What is Titanium-30 (Ti-30)?
This anomaly occurs in oxygen, causing its ionization energy to be much lower than nitrogen, which is the reverse of what is expected
What is electron pair repulsion in the 2p subshell? (slight variations in answer are ok)
An object starts with 200 grams and after 72 hours consists of 25 grams. Calculate the half-life of this substance.
What is 24 hours?