Periodic Table 1
Elements with the same chemical properties are located in the same__________ on the periodic table.
What is a group?
The transition metals can be found in which 'block'?
d-block
On a periodic table, what are rows also called...
periods
How many valence electrons do the alkaline earth metals have?
2
What element is in group 16 (6A) and the 4th period?
Selenium (Se)
What main group of elements have solids, liquids and gases?
nonmetals
The ability to be hammered into a thin sheet:
What is malleability?
What is the symbol for tin?
Sn
What element has the smaller atomic radius, Mg or Ba?
magnesium
What are 3 physical properties of metals?
luster, malleable, ductile, good conductors, donate electrons, high density, high melting point
This explains the strength of the force between 2 charged particles i.e., it depends on the charge of each particle and the distance between them.
What is Coulomb's Law?
Which noble gas is an exception to the group because it only has 2 valence electrons and not 8 like the others?
Helium
What is the name of the 3 main types of elements on the periodic table?
metals, non-metals, metalloids
What two elements are liquids at room temperature?
Mercury and Bromine
The staircase of elements which separate the metals from the nonmetals on the periodic table are called?
metalloids
What are three physical properties of non-metals?
not shiny, not malleable (brittle), not ductile, poor conductors (good insulators), gain electrons, low density, low melting point
What element is located at the 6th period and 2nd group?
Barium
The ability to be made into a wire:
ductility
What are the elements from 89 -103 called?
Actinides
Larger atomic radius: Cl or P
P
Smaller atomic radius:Na or S?
Sulfur
What element is grouped with alkali metals even though it is not an alkali metal.
Hydrogen
What is the first element in period 3?
Sodium
What is the name of the group 1 elements (except hydrogen)?
alkali metals
The majority of the elements on the periodic table (~80%) are classified as this:
metals
Argon belongs to what specially named group?
noble gases
Which group (name, not number) is the most reactive metals family with 1 valence electron?
Alkali Metals
Group 17 has a special name called...
Halogens
How many valence electrons does an iodine anion have?
8
Why do atoms get smaller going across a period?
an increase in effective nuclear charge