Atoms
Periodic Table
Elements
Metals
Nonmetals and Metalloids
100
An atom's nucleus is composed of this.
What are protons and neutrons?
100
Each horizontal row on the periodic table is called this.
What is a Period?
100
The element with 10 protons.
What is neon?
100
The ability to be hammered into sheets.
What is malleability?
100
This is where you can you find nonmetals on the Periodic Table.
What is on the right side?
200
An electron has this charge.
What is a negative charge?
200
An electron energy level (except the first one) is considered "full" when it contains this many electrons.
What is 8 electrons?
200
The second element in the Halogen family.
What is Chlorine?
200
The ability to be pulled into wires.
What is ductility?
200
These are used to make semiconductors.
What are metalloids?
300
Hydrogen has this many electrons.
What is one?
300
This is the person who created the periodic table.
Who is Dimitri Mendeleev?
300
Earth's atmosphere is composed of around 80% this.
What is nitrogen gas?
300
These are two characteristics of the alkaline earth metals.
What is they are shiny, whiteish, never found uncombined, 2 valences, highly reactive?
300
Name two properties of the noble gases.
What is they are unreactive, 8 valence, all gases, glow when electrified?
400
This is the most currently accepted atomic model.
What is the electron cloud model?
400
Name two things that elements in the same group have in common.
What are number of valences, and similar properties?
400
This is the direction you go when drawing electrons on a Bohr diagram.
What is starting at the right, counter-clockwise?
400
Name two uses for transition metals.
What are manufacturing, jewelry, wires, pipes, etc?
400
Noble gases are called this, because of their inactivity.
What is inert?
500
This is the smallest particle in an atom/
What is an electron?
500
This is how the atomic mass is calculated.
What is the average of all isotopes of the element (or adding the protons and neutrons)?
500
A molecule composed of two atoms is called this.
What is a diatomic molecule?
500
These are three properties of the alkali metals.
What are soft, shiny, highly reactive, one valence, react with Halogens, create salts, reactive with water, never found uncombined?
500
Name three properties of the Halogens.
What is they are highly reactive, mostly gases, all nonmetals, toxic to humans, react with alkalis, have 7 valences, create salts, used for cleaning.
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