Atomic Structure
List two properties of Chromium (atomic # 24).
Two of the following are correct: shiny highly conductive malleable highly reactive
Give away (metals) - Take (nonmetals)
The number above the column on the periodic table is the _________ #
Why can't we predict the properties of Boron?
Because it is a metalloid (they have properties of both metals and nonmetals)
The number along the rows on the periodic table is the ________ #.
Period #
See answer key.

The atoms get bigger (more protons = more electrons = more energy levels = a bigger atom)