WorksheetsPeriodic Table and Main Groups
Total questions: 20
Worksheet time: 40mins
What are the vertical columns on the periodic called?
groups
periods
nonmetals
metals
metalloids
Which elements have properties in common?
elements in a group
elements in a period
noble gases
organized elements by atomic number; modern periodic table; fixed some of inconsistencies from "best" of the historic periodic tables
Meyer
Mosley
Newlands
Mendeleev
Organized elements by atomic mass; related atomic mass to properties of elements; included all known elements at the time; left spaces and predicted where new elements would fit
Newlands
Mosley
Meyer
Mendeleev
Dmitri Mendeleev stated that if the elements were listed in order of increasing __(2)__, _
Atomic number
Atomic mass
periodic table
Be is a/an
alkali metal
halogen
noble gas
alkali earth metal
Select the option with only non-metals
Ca, Sr, C
As, S, F
Cl, S, H
He, P, Mo
