Show:
Groups
Properties of elements
Reactivity
Periodic table facts
?
100
Group 1 holds this elemental group
What are the alkali metals
100
Halogens have what charge?
What is -1
100
These metals are very reactive.
What is alkali metals.
100
All atoms in the periodic table are placed in _ order
What is ascending
100
The type of element is known to be very Ductile
What is metals.
200
Group 13 is known as this
What is the Boron group
200
Actinides are known as this type of element.
What is radioactive
200
The most reactive elements are in groups _ and _
What is 1 and 13
200
The first detached row is called _
What is lanthanides
200
B, Si, Ge, As, Te, Po all belong to this type of element.
What is Metalloids.
300
Group 18 consists of these elements.
What is the Noble Gases.
300
The elements from this number, and higher are radioactive.
What is Element 83.
300
This collection of elements is radioactive, they tarnish in the air, and react with acids and boiling water very easily.
What is Actinides
300
Group 15 is called _
What is The Nitrogen Group
300
This type of element has little or no luster.
What is Nonmetals
400
Group 16 is known as this
What is calcogens
400
Lanthanides are known as
What is rare earth metals
400
This group of elements is completely unreactive. ( cannot react)
What is Group 18
400
This man invented the original periodic table
What is Dmitri Mendeleev
400
This is the only metal that is liquid at room temperature.
What is Mercury
500
Groups 3-12 are all known as this
What is transition metals
500
This single element makes up 22% of a human body, and is known as the base for all chemistry.
What is Carbon.
500
The most reactive non metal element is _
What is Fluorine
500
Dmitri organized elements by _
What is atomic mass
500
The tip of a match is made mostly of this element.
What is Phosphorous