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Properties
Trends
Potpourri
100
Newlands arranged elements by.....
What is increasing atomic mass
100
Columns in the periodic table are called...
What are Groups or Families
100
Atomic radius ______________ as you go down a group and ______________ as you go across a period
What is increases/decreases
100
These are found on the right side of the periodic table
What is metalloids and non metals
100
Alkaline earth metals belong to this group number
What is 2 or 2A
200
This person arranged elements by increasing atomic mass and similarity in properties
Who is Mendeleev
200
A row in the periodic table is called a...
What is a Period
200
The amount of energy required to completely remove an electron from the gaseous atom is ...
What is Ionisation Energy
200
arrange the following elements by decreasing atomic radius: Mg, Rb, N, Li
What is Rb, Mg, Li, N
200
The elements in this series are mostly radioactive
What are actinides
300
The law of octaves was proposed by this scientist
Who is Newlands
300
The rows in the periodic table correspond to this in an atom
What is the number of energy levels
300
True or False- Shielding happens in a period
What is false
300
Arrange these elements by increasing electronegativity: Ca, Kr, As, Br
What is Kr, Ca, As, Br
300
Groups 3 - 12 are known as ....
What are Transition metals
400
This person rearranged elements by increasing atomic number
Who is Henry Moseley
400
Group 1 or 1A elements are also called these
What are Alkali metals
400
Electronegativity increases across a period because of increased .....
What is nuclear charge
400
True or False: Hydrogen is an Alkali metal
What is False
400
Transformation of one element into another is known as ...
What is Transmutation
500
State the periodic Law..
When elements are arranged by increasing atomic number there is a periodic repetition in the physical and chemical properties.
500
Group 17 or 7A is also known as
What is Halogens
500
state the trend for reactivity of metals across a period and down a group
What is decreases across a period and increases down the group
500
Arrange these elements by decreasing IE: Si, Ge, C, Pb
What is C, Si, Ge, Pb
500
The first 2 elements to be formed as a result of the Big Bang...
What are Hydrogen and Helium?