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The Periodic Table Test Review

Horizontales
An ion with a positive charge.
Scientist who used atomic numbers to reorganize the periodic table.
When moving up a group, atomic radii _______ in size.
The most reactive gases on periodic table are the _______.
Group of elements added to the table after Mendeleev's time.
Another name for metalloids.
Mendeleev left spaces in his table because he believed these spaces would be filled by _______ elements.
Group 1 metals, except for hydrogen are called _______ metals.
Metals are able to be drawn into a long wire therefore are _______.
Atomic radius _____ as you move down a group.
Verticales
An ion with a neg. charge.
Hg and Br are _______ at room temperature.
First to publish a periodic table.
The electrons in the outermost shell of an atom.
Atoms are measured in units called ________.
The most electronegative element.
The ability of metals to be hammered into sheets.
Scientist credited for determining standard relative atomic masses known in his day.
Noble gases are very non-______.
These 2 elements are the exception to the atomic radius pattern when moving down a group. Aluminum and _________.
Neg. charged ions are _______ than their parent atom.