The elements in a ______________ on the periodic table have similar properties.
What is "family"?
100
These donate their extra electrons when bonding.
What are metals?
100
The elements of an individual family on the periodic table all have the same number of ________________ electrons.
What is "valence"?
100
Metallic properties increase going ________ and ________ on the periodic table.
What is "left" and "down"?
100
This radioactive element was needed by Doc to power his time machine in Back to the Future, Part I.
What is plutonium?
200
This is the law that states that elements in the same family have similar properties.
What is periodic law?
200
These receive electrons to complete their octet.
What are nonmetals?
200
The alkali metals all have this at the end of their electron configurations.
What is "s1"?
200
Electronegativity increases __________ and _________ on the periodic table, excluding noble gases.
What is "up" and "right"?
200
The unusual symbol of this element comes from its historic use as a component of pipes.
What is lead?
300
This family of metals is highly reactive with water.
What is the alkali metal family?
300
These are the two types of elements involved in an ionic bond.
What are metals and nonmetals?
300
The number of valence electrons increases going _______ to ________ on the periodic table.
What is "left" to "right"?
300
This trend, which describes the size of an atom, increases (suprisingly) going right to left on the periodic table and (unsurprisingly) going toward the bottom of the table.
What is atomic radius?
300
This element has been used as a filament in incandescent bulbs.
What is Tungsten?
400
This family, for the most part, contains elements that do not react.
What is the noble gas family?
400
The in-between properties of these elements make them good semiconductors, which is why they are often used in electronics.
What are metalloids?
400
This element in particular has a very strong ability to attract electrons.
What is Fluorine?
400
This periodic trend describes how much an atom "likes" electrons.
What is electron affinity?
400
This element is present in the amine group of amino acids, accounting for its high abundance (after hydrogen, oxygen, and carbon) in the human body.
What is nitrogen?
500
This family has only elements that have an oxidation number of +2.
What is the alkaline earth metals family?
500
The majority of elements are these.
What are metals?
500
The noble gases are usually unreactive because they have this many valence electrons.
What is 8?
500
According to the metallic properties trend, this element is the most metallic.
What is Francium?
500
This element is the heaviest element that can be formed by a dying star.