Intro to Chem Periodic Table

Elements in groups 3-12 are called

Elements that have 8 electrons in outermost energy level

Elements with atomic numbers from 90-103 are called

Which of the following is not a metal?

Discovered the noble gases

Classification for Polonium (Po)

A vertical column in the periodic table is called

Elements that can exist in two or more forms (carbon is an example)

Organized elements into triads

Elements in group 17, have 7 valence electrons

Which of the following is not a noble gas?

How is the modern periodic table organized?

Elements in the first group or family, have 1 valence electron

Another term that means man-made

Arranged elements according to increasing atomic mass, left empty spaces in table

A horizontal row in the periodic table is called

Which of the following is NOT a characteristic of nonmetals?

Classification of most elements on the periodic table

Classification for antimony (Sb)

Which of the following is a liquid metal?