Atomic Theory Scientists
This scientist discovered the electron and developed the plum pudding/ Chocolate chip model
Who is JJ Thomson?
What do you call the same element with a different number of neutrons.
What is an isotope?
How many protons and neutrons does Iron-56 have?
26 protons and 30 neutrons
This is the scientist who determined the atom was mostly empty space by firing alpha particles (+ charge) at a piece of gold foil.
Who is Ernest Rutherford?
This particle has no charge and helps to keep the nucleus in tact.
What is a neutron?
When it comes to electrical charges, likes repel and opposites attract is known as?
What is the Golden Rule of Charges?
How many neutrons does Fluorine-19 have?
What is 10 neutrons?
This is the subatomic particle NOT found in the nucleus of an atom.
What is an electron?
How would you write an isotope of Oxygen atom with 10 neutrons? (Either notation is fine)
What is Oxygen-18?
What is 18O?
This element has 30 electrons
What is Zinc?
What would be an isotope of Mg with 3 more neutrons than standard magnesium-24?
What is Magnesium-27
These 2 particles have a relative mass of 1 amu.
What are protons and neutrons?
This is the formula for mass number.
What is # of protons + # neutrons?
How many electrons does H have?
1 electron
Oxygens naturally occurring isotopes are oxygen-16, oxygen-17, and oxygen-18. This is the most abundant isotope of oxygen. (The atomic mass of oxygen is 15.9994)
In chronological order, name the 5 main scientists who developed the atom and the 3 subatomic particles.
Who is Democritus, Dalton, Thomson, Rutherford, Chadwick
This particle has virtually no mass, but contributes mostly to the volume of the atom.
What is an electron?
The element with a mass # of 23 with 12 neutrons.
What is Sodium?
This element has two naturally occurring isotopes. The first isotope has a mass number of 14 being 99.6% abundant in nature. The second isotope has a mass number of 15 being 0.04% abundant in nature.
What is nitrogen?