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Vocab Terms
Valence Electrons
Groups 3-12 properties
Groups 1-2
Groups 13-18
100
A column of the periodic table with the same physical and chemical properties
What is a family?
100
This explains why group one elements are some of the most reactive elements on the periodic table
What are group 1 elements easily losing 1 valence electron?
100
The name for the elements from groups 3-12
What are transition metals?
100
The name given for elements in group 1
What are the alkali metals?
100
Another name for the Fluorine group
What are the halogens?
200
A horizontal row of the periodic table
What is a period
200
All elements in this group need 3 more electrons in order to reach a stable outer shell
What is the Nitrogen group?
200
Groups 3-12 are metals that can be mixed with nonmetals to form this
What is steel?
200
The term given for metals in group 2
What are the alkaline metals?
200
This group contains an element that is useful in the photosynthesis process and is the most abundant gas in the atmosphere
What is the nitrogen group?
300
Electrons in the outermost shell of an atom
What are valence electrons
300
This group has 7 electrons in the outermost shell
What is the fluorine group?
300
Currency such as gold coins are knocked into thin sheet which is termed this
What is malleability?
300
This group has 2 valence electrons and is more reactive than group 1 elements for this reason
What is less reactive due to having to lose 2 valence electrons as opposed to 1?
300
The element silicon in group 14 contains properties of metals and nonmetals such as being a semiconductor which is termed this word
What is a metalloid?
400
The man who organize the periodic table in order of increasing atomic mass and said every 7th element had the same physical and chemical properties.
What is Dmitri Mendeleev?
400
To find the number of valence electrons on the right side of the periodic table this is done
What is subtracting the group number minus 10?
400
Groups 3-12 don't follow a specific pattern as far as valence electrons, but generally have these many
What are 1-2 valence electrons?
400
This group has metals that can be easily cut with a knife
What are the alkali metals?
400
This group is the unreactive group that are all gases. Some of the elements may be used in lighted pizza signs.
What are the noble gases?
500
The man who organized the periodic table in order of increasing atomic number.
Who is Henry Moseley?
500
Losing or gaining valence electrons causing elements to do this with other elements
What is reacting?
500
An element such as copper is drawn into wires known as this term
What is ductility?
500
This group will react in water, but less intensely than the other group
What are the alkaline metals?
500
This group needs 2 valence electrons to reach a stable state
What is the oxygen group?