Groups & Families
Group 2 elements are known as ....
Alkaline earth metals
How many valence electrons does aluminum have
3
Between carbon and lead, the element that has a smaller atomic radius is...
carbon
Between arsenic, antimony and germanium, the one that has the least Ionization energy
antimony
How many periods on the periodic table?
7
Which elements are located on the stairs?
Metalloids
Phosphorus belongs to group............
15
The group/family that has 2 valence electrons is
Alkaline Earth Metals (group 2)
Between Magnesium and Barium, the one that has a larger atomic radius
barium
Between magnesium, potassium and rubidium, the one that is least reactive
magnesium
As you go down the periodic table - each period has:
Credit for any of the following:
A new PEL or Principle Energy Level
Larger Size
Repeated Chemical Characteristics
Group 18 is also known as the .....
Noble gases
Groups 3 - 12 are called ...
transition metals
How is the periodic table arranged?
by increasing atomic number
Explain why the radius increases as you go down a group
More energy levels
Energy needed to remove an electron completely from a gaseous atom is ....
Ionization Energy
The most reactive family of nonmetals
halogens (group 17)
Between chlorine and Iodine, the one that has a higher Ionization Energy.
chlorine
Strontium belongs to this family in the periodic table
Alkaline earth metals
The relationship between electron configuration and the group
all end the same
malleable means...
Ability to be hammered into sheets
electronegativity is defined as....
attraction for electrons in a chemical bond
State the periodic law
Give credit for either of the following:
Properties of elements are functions of their atomic numbers.
Properties of elements will *periodically* repeat as atomic number increases
What is the name of group 17
halogens
True/False - Hydrogen is an alkali metal
FALSE
The noble gases have zero electronegativity because...
they have a completely full valence shell
True or False - Silver has a luster and is a conductor of heat
True
Name an element chemically similar to bromine
Any element in group 17 (Same group = similar properties)
What is the name of the group that is first seen in Period 4 and you move down the Periodic Table?
Transition Metals
What are the 2 liquids on the periodic table?
Mercury and bromine