Atomic Particles
A subatomic particle with a neutral charge
What is a neutron?
This is the family in column 2 of the periodic table
What is the alkaline earth family?
Aristotle proposed that the four main elements were earth, air, water, and this.
What is fire?
This element has 14 protons
What is Silicon?
A positive and negative charge will do this to one another
What is attract?
What is the nucleus?
This family was discovered by William Ramsay and known for being unreactive
What is the noble gas family?
This scientist is credited with ordering the Periodic Table by atomic number
Who is Henry Moseley?
This element has an atomic mass of 35.45
What is Chlorine?
When we say metals are good conductors, we are referring to the conduction of these two things
What are heat and electricity?
This is name for electrons located in the outermost orbital
What is valence electrons?
This family is in Column 17 on the Periodic Table
What is the halogen family?
This American scientist was part of the Manhattan Project and is associated with the rare earth elements
Who is Glenn Seaborg?
Mercury - 202 has 80 protons. It has this many neutrons.
What is 122?
The unit of measure used to determine the size of atoms
What is an atomic mass unit (amu)?
Atoms of the same element with a differing number of neutrons
What are isotopes?
This family is considered the most reactive
What is the alkali metal family?
Johan Wolfgang Dobereiner put elements in groups of threes, also known as these
What are triads?
These are the two non-metals in column 15 of the Periodic Table
What are Nitrogen (N) and Phosphorus (P)?
This is the name of an atom with a positive or negative charge
What is an ion?
This element has the largest atomic radius of the known elements
What is francium?
This family has 6 valence electrons
What is the oxygen family?
This French aristocrat helped to organize the elements, but ultimately lost his head to the guillotine in the French Revolution
Who is Antoine Levoisier?
Bromine has an atomic mass of 79.90. The most common isotope of bromine has this mass number
What is 80?
This is the number of electrons that can fit in 4th and 5th energy levels
What is 18?