Periodic Table Basics
Who created the first periodic table?
Dimitri Mendeleev
What is the chemical symbol for fluorine?
F
What is a column on the periodic table called?
Are most elements on the periodic table metals or nonmetals?
Metals
This provides an abbreviation of the element’s name.
The Chemical Symbol
How did Henry Moseley change the Periodic Table? (the one we use today)
He arranged each element by increasing atomic number
The total number of Protons is the same as an element's __________?
Atomic Number
What do all elements in a group have in common?
Elements in the same group have similar chemical properties.
These are poor conductors of electricity and heat.
Nonmetals
How are elements are arranged?
By increasing atomic number
This represents the average mass of an element’s atoms.
Atomic Mass
How many protons does Magnesium Mg have?
12
Which group is known as the noble gases?
Group 18
What are some characteristics of metals?
Metals are shiny, ductile, malleable and good conductors of thermal energy.
What happens to the atomic number as you go through each period left to right?
The atomic number increases by one
What is the Periodic Table?
A chart that arranges the elements into columns and rows according to their physical and chemical properties.
Sulfur
What is found in group one?
The Alkali Metals
What are metalloids?
Elements that have similar properties to both metals and nonmetals.
Which Group of elements are very stable and unreactive?
The Noble Gases
What does the atomic number tell you about an element?
The number of protons in an element
Which element has an atomic mass close to 79?
Bromine
What groups are the transition metals found in?
Groups 3 through 12
What do Alkali Metals and Alkaline Earth Metals have in common?
They are reactive and they are not found alone in nature, only in compounds.
This is the most common element. It makes up the water on Earth.
Hydrogen