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Periodic Table

Element Facts

QuestionAnswer
columns groups, families
rows periods
How many rows on the periodic table? 7
How many columns on the periodic table? 18
Elements are named after... scientists and geographical regions
Who created the periodic table? Dmitri Mendeleev
How did Mendeleev arrange the periodic table? Increasing order of atomic mass
The only metal that is a liquid Mercury
Solid at room temperature Metals
Silver-gray Metals
The only two metals that aren't silver-gray Gold and copper
Good conductors of heat and electricity Metals
Metallic luster Metals
Malleable Metals
Found in all states Nonmetals
All elements that are gases at room temperature are... Nonmetals
Can have many colors or are invisible Nonmetals
Poor conductors of heat and electricity Nonmetals
Insulators Nonmetals
Left of step Metals
Shiny Metals
Ductile Metals
Right of step Nonmetals
Dull Nonmetals
Nonmalleable Nonmetals
Nonductile Nonmetals
Brittle Nonmetals
Located close to step Metalloids
Properties of metals and nonmetals Metalloids
7 metalloids boron, silicon, germanium, arsenic, antimony, tellurium, polonium
How many elements does the periodic table have? 115
How many elements are natural? 94
How many elements are man-made? 21
Who rearranged the periodic table? Henry Moseley
How did Moseley put the elements in order? Increasing atomic number
4 pieces of information in each box of the periodic table? atomic number, atomic mass, chemical symbol, element name
Group 1 Alkali metals
Group 2 Alkaline-earth metals
Groups 3-12 Transition metals
Group 13 Boron group
Group 14 Carbon group
Group 15 Nitrogen group
Group 16 Oxygen group
Group 17 Halogens
Group 18 Noble gases
Shiny, reactive metals Lanthanides
All atoms are radioactive Actinides
Elements after 94 plutonium are not occuring in nature but produced in labs Actinides
In group 1 because it has 1 electron in outermost energy level Hydrogen
Physical properties are more like properties of nonmetals Hydrogen
States that "the chemical and physical properties of elements are periodic functions of their atomic numbers" Periodic law
Created by: madison.heaton
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