Atomic Structure
Organization of the Periodic Table
Element Squares
Groups of the Periodic Table
Elements, Compounds, and Mixtures
100
a subatomic particle that has a positive charge
What is a proton?
100
name for the columns of the periodic table
What is groups or families?
100
the one or two letters that "stand for" an element
What is the chemical symbol?
100
name for the first group of metals of the periodic table
What is alkali metals?
100
made of a single type of atom
What is an element?
200
a subatomic particle that has no charge
What is a neutron?
200
name for the rows of the periodic table
What is a period?
200
what we call the element; how we refer to an element
What is the chemical name?
200
name for the second group of metals of the periodic table
What is the alkaline earth metals?
200
two or more different types of atoms bonded together in a specific ratio
What is a compound?
300
a subatomic particle with a negative charge
What is an electron?
300
name for the elements that have properties of both metals and nonmetals
What are metalloids?
300
indicates the number of protons and electrons in one atom of the element
What is the atomic number?
300
the name given to the group of metallic elements in groups 3 through 12 of the periodic table
What is the transition metals?
300
atoms, molecules, and/or compounds together but not bonded chemically
What is a mixture?
400
the part of the atom where the protons and neutrons can be found
What is the nucleus?
400
how the periodic table is organized, (by increasing...)
What is atomic number?
400
indicates the number of protons plus the number of neutrons in one atom of the element
What is the atomic mass?
400
name for the nonmetal elements found in group 17 of the periodic table
What are the halogens?
400
examples are gold, magnesium, and chlorine
What are elements?
500
the location in the atom where electrons can be found
What is the electron cloud?
500
as alkali metals increase in size down the periodic table, the reactivity of the elements does this
What is increases?
500
the place where element squares can be found
What is the periodic table?
500
name for the nonmetals found in group 18 of the periodic table
What are the noble gases?
500
examples are water (H2O), carbon dioxide (CO2), and salt (NaCl)
What are compounds?
M
e
n
u