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Elements
Sub-Atomic Particles
Famous People
Periodic Table
Potpourri
100
The element Sodium has a symbol of this.
What is Na.
100
The particle that is found in an atom, which has a positive charge, is called this.
What is a Proton.
100
John Dalton is credited with inventing this model.
What is the Solid Sphere Model.
100
When an element has two different versions, both with identical amounts of protons and electrons but varying neutrons, we call the different types this. Note: the Atomic Mass of an element is a statistical average of all the different types of these.
What are Isotopes.
100
This is a number that tells us how many atoms of an element are present.
What is a subscript.
200
The symbol of the element iron is this.
What is Fe.
200
Electrons tend to occupy this energy level.
What is the lowest energy level.
200
This person believed that all of life is made up of these four elements: Earth, Air, Fire, and Water.
Who is Aristotle.
200
The Noble Gases have an oxidation number of this.
What is 0.
200
Luster can be defined as this.
What is how shiny or dull something is.
300
The element represented by the symbol B is this.
What is Boron.
300
In order to determine how many neutrons are in an element, we take the ____________ and subtract it from the ____________.
What is the Atomic Number and subtract it from the Atomic Mass.
300
This person is credited with discovering that electrons are not inside of the Nucleus.
Who is Ernst Rutherford.
300
The periodic table is organized by the number of this.
What are the number of protons.
300
There are this many electrons that can occupy the first energy level.
What are 2 electrons.
400
The symbol Ga represents this element.
What is Gallium.
400
Protons and Neutrons both have a mass of this and they are both located here.
What is a mass of 1 unit and are located in the nucleus.
400
Neils Bohr, following the experiment with the Gold-Foil by someone else, determined that electrons fly around the nucleus at specific energy levels, much like this similar concept.
What is Planets rotating around the sun.
400
The atomic number for an element represents both the number of _________ and __________.
What are protons and electrons.
400
When energy is added to an electron, this happens.
The electron will become excited and will jump to a higher energy level.
500
The symbol Se represents this element.
What is Selenium.
500
Electrons are made up of these.
What are quarks.
500
In the Gold-Foil experiment, a particle with a positive charge was shot into a thin gold strip and the deflection was detected all around the foil. The name of that particle was this.
What is an Alpha-Particle. Alpha particles consist of two protons and two neutrons bound together into a particle identical to a helium nucleus.
500
Group 17 on the periodic table hosts this type of element.
What are the Halogens.
500
Draw an atomic structure (including Protons, Neutrons and electrons) of both Carbon-12 and Carbon-14
Carbon-12: 6 protons, 6 neutrons, 6 electrons -2 electrons in first level, 4 in second Carbon-14: 6 protons, 8 neutrons, 6 electrons -2 electrons in first level, 4 in second