WorksheetsPeriodic Table
Total questions: 20
Worksheet time: 10mins
What is the periodic table?
separates metals from nonmetals
electrons in the outermost energy level
a table that shows the elements with similar properties grouped together
number of protons and neturons in the nucleus
What is a chemical symbol?
separates metals from nonmetals
1 of 2 letters that represent an element
electrons in the outermost energy level of an atom
a table that hows the elements
What is the zig-zag line on the periodic table
it separates metals from nonmetals
the number of protons and neutrons in the nuceus
1 or 2 letters that represent an element
electrons in the outermost energy level
What is atomic mass?
electrons in the outermost energy level
the number of protons in an atom
separates metals from nonmetals
number of protons and neutrons in nucleus
What are valence electrons?
separate metals from nonmetals
number of protons and neutrons in nucleus
electrons in the outermost energy level of an atom
a table that shows the elements
An element that has properties of both metals and nonmetals
metalloid
valence electron
compound
solid
easy to shape or bend
Malley's
malleable
inflexible
rigid
An element that is shiny and conducts heat and electricity well
nonmetal
metalloid
gas
metal
Which is a metalloid?
H
hydrogen
Fe
iron
Si
silicon
U
uranium
can be made into wires
duck tape
duck tail
ductile
duck bill
An element that conducts heat and electricity POORLY
metal
metalloid
nonmetal
solid
Which is a metal?
He
helium
Cu
Copper
Po
Polonium
C
Carbon
Which is a nonmetal?
Fe
Iron
Ti
Titanium
O
Oxygen
Au
Gold
Group on the far left of the periodic table in which 1 electron in the outer level reacts STRONGLY with other elements
Alkali Metals
Actinides
Metalloids
Noble Gases
Group at the far right of the periodic table in which elements do NOT react with other elements
Alkali Metals
Actinides
Metalloids
Noble Gases
What does the number 7 represent on this periodic table square?
atomic number
atomic mass
element symbol
element name
What does the Ne in this periodic table square represent?
atomic number
atomic symbol
atomic mass
scientific name
What does the 18.998 represent in this periodic table square?
atomic number
atomic symbol
atomic mass
scientific name
How many electrons does this element have?
20.1797
10
11
10.1797
Why did watchmakers stop using radium to make their dials light up?
Radium is too expensive to make
Radium does not glow
They ran out of radium
Radium made the dial painters sick
