Atomic Theory
This person is credited with discovering electrons.
Who is Thomson?
This is the name given to the group of elements farthest to the right on the periodic table.
What are the noble gases?
Isotopes of the same element contain different numbers of this type of subatomic particle.
What are neutrons?
Ions of the same element have differing numbers of this subatomic particle.
What are electrons?
When naming an ionic compound, this type of ion is named first?
What is the cation?
This person conducted a gold foil experiment to determine where the positive charge in the atom was located.
Who is Rutherford?
This is the name given to the second group of elements on the periodic table.
What are the alkaline-earth metals?
The atomic number of an element is equal to the number of this type of atomic particle.
What are protons?
Elements in group 2 create ions with this charge.
What is +2?
When naming the anion, the ending is always changed to this.
What is "ide"?
This model featured small negatively charged electrons found on and inside a positively charged spherical mass.
What is the plum pudding model?
This is the name given to all of the elements found in groups 3 through 12.
What are the transition metals?
If an atom of carbon has a mass number of 14. It has this many neutrons.
What is eight (8)?
Elements in the group create ions with a -1 charge.
What are the halogens?
The name of the ionic compound BaO is this.
What is barium oxide?
A colleague of Rutherford's, this person is credited with the discovery of the neutron.
Who is Chadwick?
The number of electron shells or energy levels of an atom of an element can be determined by what feature of the periodic table?
What is the period?
This is the mass number of an atom has an atomic number of 9 and 7 neutrons.
What is sixteen (16)?
A magnesium ion has this many electrons.
What is ten (10)?
The name of the ionic compound CsI is this.
What is cesium iodide?
This Greek philosopher is credited with giving us the term "atom".
Who is Democritus?
The group number in the periodic table can tell us what about an elements electron configuration?
What is the number of valence electrons?
This element has a mass number of 42 and 22 neutrons.
What is calcium?
A negatively charged ion is called this.
What is a anion?
The name of the ionic compound Mg3P2 is this.
What is magnesium phosphide?