Metals
What does malleable mean?
Able to be hammered or pressed into shape without breaking or cracking.
Nonmetals have (higher/lower) melting points than metals
Lower
Where are the metalloids found on the periodic table?
Along the zig-zag line
Who made the first periodic table?
Mendeleev
Hydrogen
H
What does ductile mean?
Able to be formed into thin wires
List the states of matter in which non-metals can exist a
solid, liquid, gas
What does it mean to be a metalloid?
Metalloids share properties with both metals and non-metals
The vertical columns are called _______
Groups or families
C
Carbon
What does luster mean?
The ability to reflect light well
What does insulating mean?
Able to prevent the loss of heat
What is a semi-conductor?
special materials that conduct electricity under some conditions and not others
What are the horizontal rows called?
Periods
Gold
Au
Fill in the blanks:
The majority of metals are ________, except for mercury that is a _________.
Solid, liquid
Fill in the blanks:
The majority of nonmetals are ________, except for bromine that is a _________.
gases, liquid
Give two examples of a metalloid
Boron, Arsenic, Silicon, Antimony
What type of element is Tin?
Metal
Mg
Magnesium
Name the 4 main characteristics all metals share
Conduct heat well
Conduct electricity well
Malleable/ductile
Lustrous
Name the 4 main characteristics that all nonmetals share
Dull surfaces
Not malleable
Poor conductors (heat or electrical current)
Good insulators
What are borosilicates used for?
Glass
What type of element is Silicon?
metalloid
Tungsten
W