Introduction to Atoms
The 3 particles that compose atoms.
What are protons, neutrons, and electrons?
Used to organize elements based on their characteristics..
What is the periodic table?
Group 18 contains elements that do not react with other elements.
What are the noble gases?
This defines the atomic number.
What is the number of protons?
The rows on the periodic table
What are periods?
This group is named after its ability to form salt when these elements combine with other elements.
What is the Halogen Family?
Particles in an atoms outermost shell.
What are valence electrons?
This is the sum of the protons and neutrons.
What is atomic mass?
Na belongs to this group.
What is the alkali metals?
The approximate number of electrons needed to equal 1 proton's mass
What is 1836? (accept 1800-2000)
Group 2
What are the Alkaline earth metals?
Parts of atoms that are lost when metals undergo chemical bonds.
What is an electrons?
This element is the most abundant element in the universe. It is a nonmetal.
What is Hydrogen?
A diagram that includes the chemical symbol and the valence electrons.
What is a Lewis Dot Structure?
The place, besides stars, where nuclear fusion happens
What is a particle accelerator?
He is credited with creating the first periodic table
Who is Dimitri Mendeleev?
The most reactive metal.
What is Francium?
Substances that conduct electricity under certain situations?
What is semiconductor?