This subatomic particle is not in the nucleus and has a negative charge
What is an electron?
100
This is what the gold foil experiment proved about the structure of the atom.
What is the atom is mostly empty space, and that it has a nucleus made of protons and neutrons (larger particles).
100
This is the number of electrons in a completely filled "p" sublevel.
What is 6?
100
This is any charged atom of group of atoms?
What is an ion?
100
An amu is 1/12 of the mass of this isotope.
What is Carbon-12?
200
This positively charged particle is located inside the nucleus of the atom
What is the proton?
200
He devised the plum pudding model of the atom.
Who is Thomson?
200
Excited electrons falling back to their original energy state release this.
What is light, photons, heat or energy? (any of the above)
200
In this energy state the electrons in an atom are at their lowest possible energy.
What is ground state?
200
Write the electron configuration for an Mg+2 ion.
What is 1s2 2s2 2p6?
300
This is the charge of a neutron and its mass in AMU.
What is neutral and 1 AMU?
300
The Bohr Model of the atom depicts the position of electrons in this manner.
What are fixed orbitals.
300
This is an electron which has absorbed energy and is raised to a higher energy level.
What is an excited electron?
300
This term means the arrangement of the electrons of an atom.
What is electron configuration.
300
This is a shorthand way of showing the valence electrons of an atom using the element symbol and dots.
What is Lewis Dot Structure or Lewis Dot Diagram?
400
An atom has 17 protons, 18 neutrons, and 17 electrons. What is the atomic number and mass number of the element?
What is an atomic number of 17 and mass number is 35?
400
In the wave mechanical model of the atom, this is what is meant by an orbital.
What is the most probable location of an electron?
400
1s22s22p53s1 is the electron configuration for an excited atom of this element.
What is neon?
400
These are all the electrons of the atom minus the valence electrons.
What are kernel electrons?
400
This is the form of an element with the same atomic number but different mass number.
What is an isotope?
500
Explain how to calculate the charge of an ion given the number of different subatomic particles of that ion.
What is the number of protons - electrons?
500
This scientist first proposed a solar-system type model of an atom.
Who is Bohr or Rutherford-Bohr?
500
This is the number of orbitals occupied by 20 electrons.
What is 4?
500
This is the weighted average of mass numbers of different naturally occurring isotopes of an element.
What is the atomic mass?
500
Iron has an atomic mass of 55.845 and an atomic number of 26. How many protons, neutrons, and electrons, does an iron ion with a charge of +2 (Fe+2) have?
What is 26 protons, 30 neutrons, and 24 electrons?