Mendeleev arranged his periodic table in order of increasing atomic number
The rows in the periodic table are called periods.
Moving across the periodic table from left to right, one finds, in order, metals, then gases, then nonmetals.
Another name for a period is a family.
On the periodic table, elements in the same column have similar properties.
An element's _________can be predicted from its location on the periodic table.
The average mass of all the isotopes of an element is called the __________________.
The modern periodic table is arranged in order of increasing _______________.
Information found on the periodic table for each element includes its atomic number, _________, name, and atomic mass.
An element with atomic number 10 is located to the ________ of the element with atomic number 9.