Thinkers
This scientist created the very yummy sounding 'Plum Pudding' model of the atom.
Who is J.J. Thomson
Pg. 85, figure 3.8, other sources
Atoms are made up of mostly this.
What is 'Empty Space'?
Pg 97, think about this section
This is the most plentiful element in the universe and is the first listed on the periodic table.
What is 'Hydrogen'
Pg 103, figure 3.26 and online resources
The levels of energy electrons occupy around a nucleus are like this tool used for climbing.
What is a 'Ladder'
Pg 95, Figure 3.20
This group is made up of alkali metals like sodium which is so soft it can be cut with a knife. It is also a group of very reactive metals and most react violently with water.
What is 'Group 1A'?
Pg 105, may be different in 3rd and 4th edition
Not agreeing with his democratically named fellow philosopher, this ancient Greek thinker believed everything was made out of the four elements; air, water, earth and fire.
Who is Aristotle?
Pg. 81, figure 3.3
These electrons are in the highest energy level of an atom.
What are 'Valence Electrons'?
Pg 104, BTD
This number indicates represents the number of protons in an atom.
What is the 'Atomic Number'?
Pg 92, BTD
Electrons orbit the nucleus of an atom at different ______ with specific numbers electrons in each.
What are 'Levels'?
Pg 95, Figure 3.20
Elements in this group has 4 valence electrons and include elements such as Carbon which are required for life.
What is 'Group 4A'
Pg 105, may be different in 3rd and 4th edition
Using the word 'Atomos', or to be not dividable in Greek, this Greek philosopher's theory of everything being made of tiny particles, atoms, held true for 2,000 years.
Who was Democritus?
Pg. 81, Ancient atomic models.
An element with an additional neutron or two are called this.
What are 'Isotopes'?
Pg 94, top paragraph
The element 'Oxygen' is represented by the letter 'O' on the periodic table and has this atomic number.
What is '8'?
Pg 103, Figure 3.26
Elements lose energy, or electrons, when it is ______ and gains them when they are ______.
What are 'Cooled and Heated'?
Pg 95, 4th paragraph
The numbers in the element groups represents this attribute about the elements.
What is the 'Number of Valence Electrons'?
Pg 104, Representative Groups
This scientist is credited for developing the first atomic theory and predicted accurately many of the theories that were refined by future scientists.
Who was John Dalton?
Pg. 82, Figure 3.4
Of the three subatomic particles that make up an atom, this is the heaviest of the three.
What is the 'Neutron'?
Pg 91, Table 3.1
This Russian chemist and teacher is credited for creating the early model of the periodic table which led to the modern table used today.
Who is 'Dmitri Mendeleev'?
Pg 100, Mendeleev's Periodic table
What is 'Visible Light'?
Pg 96, first paragraph
On the periodic chart, the groups increase in this as the chart is read from left to right.
What are 'Valence Electrons'?
Pg 104, 2nd to last paragraph
With some creativity and understanding of substances, this scientist used zinc sulfide to observe where alpha particles scattered when passed through a sheet of thin gold foil.
Who is Ernst Rutherford?
Pg. 86, Rutherford's Atomic Model
This is the only element that has different names for the isotopes related to it. (Name the element and one of the two isotopes)
What is 'Hydrogen and Deuterium and Tritium'?
Answer locations differs between 3rd and 4th editions.
Not all elements are represented by the first letter of their English name. This is the two letter element symbol for Gold.
What is 'Au', for the Latin word 'Aurum', or shining dawn.
Pg 103 & 104, figure 3.26 and online resrouces.
The electricity that you control through light switches and other methods of control mange the flow of this.
What are 'Valence Electrons (travelling over the metal wire)'?
Answer not given in the book, test of putting book knowledge to work on a real world use case.
Elements in this group are known for not being very reactive, rare to find and are all odorless and colorless. They are a rather noble group of elemtns.
What is 'Group 8A'
Pg 105, may be different in 3rd and 4th edition