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Maggie Warren

Chemistry Study Guide chapter 5

Mendeleev noticed that properties of elements usually repeated at regular intervals when the elements were arranged in order of increasing? Atomic mass
The discovery of noble gases changed Mendeleev's periodic table by adding a new? Group
What are the elements with atomic numbers from 58 to 71 in periodic table called? The lanthinide elements
To which group do lithium and potassium belong? Alkali metals
Elements in group or column in the periodic table represented? undiscovered elements
Argon, krypton, and xenon are? Noble gases
To which group do Flourine and Chlorine belong? Halogens
A horizontal row of blocks in periodic table is called a(n0? Period
The person whose work led to a periodic table based on incresing atomic number was? Moseley
The elmetns that border the zigzag line in the periodic table are? Metalliods
Created by: maggie warren