Element Essentials
Atomic Modeling
Navigating the table
Trends & Predictions
100
What is the number on the periodic table that tells you exactly how many protons are in the atom?
Atomic Number
100
Also known as the "shell" model, what specific model is used to show how an element's electrons are organized?
Bohr Model
100
What are the specific names for the rows and columns on the periodic table?
Rows = Periods
Columns = Groups
100
What is the general term that describes a predictable pattern found in the properties of elements?
Trend
200
What is the one or two letter abbreviation used to represent an element?
Atomic Symbol
200
What are the 3 subatomic particles that make up an atom?
Protons - Electrons - Neutrons
200
Which type of elements are located on the far right side of the table?
Non-metals
200
Using the periodic table how can you determine the number of valence electrons that an elements has?
It is the same as the group number that the element is in
300
What 3 pieces of information can be found in every element square on the table?
Atomic Symbol - Atomic Number- Atomic Mass
300
The combination(addition of number of each) of what two subatomic particles add up to equal the atomic number in a neutral atom?
Protons & Electrons
300
What type of elements are neither metals or nonmetals?
Metalliods
300
What trend is an atom's ability to attract and pull electrons towards itself?
Electronegativity
400
What number on the table for each element is often a decimal and represents the weighted average of the atom?
Atomic Mass
400
What element is represented in this Bohr Model?
Oxygen
400
What is the official name of the "staircase" that separates the metals and nonmetals? It is where the metalloids rest.
Amphoteric Line
400
What trend decreases as you go across a period due to the increasing attraction between the increasing number of protons and electrons but not the addition of another shell?
Atomic Radius