What's that atom?
This atom has an atomic number of 26 and an average atomic mass of 55.85 amu.
What is Iron?
The decay of an atom not affected by external conditions is known as...
What is half-life?
This experiment by Rutherford proved the existence of the nucleus.
What is Gold Foil?
These electrons are found in the outermost energy level and are involved in chemical bonding.
What are valence electrons?
What is 2?
The amount of neutrons in an atom of Arsenic that has 33 protons and a mass number of 75.
What is 42 neutrons?
A sample of carbon-14 was heated and this happened to the decay rate.
What is nothing?
These 2 subatomic particles are released from the nucleus during alpha decay.
What are protons and neutrons?
This energy level can potentially house s, p, and d sublevels.
What is the 3rd energy level?
Each energy level contains this type of sublevel.
What is "s" sublevel?
The charge on an ion of Sulfur with 16 protons and 18 electrons.
The amount remaining of a 60 gram sample of Pa-234 after 2 half-lives.
What is 15 grams?
This scientist created a model of the atom in which electrons moved in fixed circular orbits.
Who is Bohr?
The full-hand electron configuration for an atom of Nickel.
What is 1s22s22p63s23p64s23d8?
The maximum potential amount of electrons within the "p" sublevel.
What is 6 electrons?
The amount of neutrons and electrons in the isotope Calcium-40.
What is 20 neutrons and 20 electrons?
The amount of half-lives passed after 17,190 years if 1 half-life is 5,730 years.
What is 3 half-lives?
This scientist theorized that all matter is made up of atoms and that all atoms of an element are identical.
Who is Dalton?
The short-hand (noble gas) configuration for an atom of Selenium.
What is [Ar]4s23d104p4?
This represents the orbital diagram for an atom of Magnesium.
What is ________________
A noble gas 20 neutrons and 18 electrons.
What is Argon?
The amount of a sample of Iodine-123 (original amount 150mg) remaining after 52 hours when 1 half life is 13 hours.
What is 9.4 grams?
During alpha decay, Uranium-235 releases a Helium particle to become this daughter atom.
What is Thorium?
The full and short-hand configurations for an atom of Silicon.
What is 1s22s22p63s23p2 and [Ne]3s23p2
This represents the orbital diagram for an atom of Bromine.
What is _________________________