Chemical Symbols
Origin of the Periodic Table
Categories of Elements
Groups
Toss Up
100
Zn
What is zinc
100
created the first periodic table
What is Dmitri Mendeleev
100
malleable, ductile, and shiny
What is metals
100
unreactive
What is noble gases (Group 18)
100
only metal that is liquid at room temperature
What is mercury (Hg)
200
P
What is phosphorus
200
rearranged the periodic table and made improvements
What is Henry Moseley
200
have properties of both metals and nonmetals
What is metalloids
200
most reactive metals
What is alkali metals (Group 1)
200
most abundant element in the universe
What is hydrogen (H)
300
Pb
What is lead
300
the first table was arranged according to the element's
What is atomic mass
300
most are solid at room temperature
What is metals
300
very reactive gases
What is halogens (Group 17)
300
most abundant metal in Earth's crust
What is aluminum (Al)
400
W
What is tungsten
400
Moseley rearranged the table according to which number
What is atomic number
400
also called semiconductors
What is metalloids
400
large number of elements such as iron and mercury
What is transition metals
400
makes up about 80% of Earth's atmosphere
What is nitrogen (N)
500
Rn
What is radon
500
properties of elements are periodic functions of their atomic numbers
What is the periodic law
500
most have an almost filled outer level of electrons
What is nonmetals
500
properties do not match the properties of any single group
What is hydrogen
500
makes up about 20% of Earth's atmosphere
What is oxygen (O)
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