Periodically
How are elements arranged in the periodic table? By increasing ________________.
atomic number
What subatomic particle can we use to identify an element?
protons
What element is in group 1, period 2.
Lithium
Alkali Metals
How many neutrons are in the element Potassium
20
Elements (except for hydrogen) to the left of the staircase are.....
metals
What negative subatomic particle surrounds the nucleus in a "cloud"?
electrons
What element is in group 13, period 2?
Boron
This family is made of inert gases that do not form compounds in nature.
Noble Gases
In what family would I find the element Gold?
Transition Metals
What divides the metals and nonmetals of the periodic table?
Metalloids
Which two subatomic particles make up the nucleus of the atom?
protons and neutrons
Name the element that has 2 valence electrons and 4 energy shells?
Calcium
This family consists of brittle elements that have properties of both metals and nonmetals.
Metalloids
What family consists of elements that are found in all 3 states of matter at room temperature.
What does the period an element is in tell us about the structure of the atom?
The number of energy shells
The atomic mass number gives us the mass of what two subatomic particles?
protons and neutrons
Name the element that has 5 valence electrons and 2 energy shells.
Nitrogen
This family consists of solid, silver metals with 2 valence electrons
Alkali Earth Metals
What are 3 characteristics of transition metals?
lustrous, malleable, ductile, good conductors
What does the group number tell us about an element?
The number of valence electrons.
How do you calculate the number of neutrons in an atom?
Subtract the atomic number from the atomic mass number.
Name the only element in group 18 that has only 2 valence electrons.
Helium
This family consists of radioactive elements that are not commonly found in nature.
Actinides
What is Mrs. Bryant's favorite MLB team?
Chicago Cubs