Chapter 4: The Periodic Table

_____________ first recognized groups of three elements with similar properties.

Elements in the same ____________ on the periodic table have the same number of valence electrons.

Where are nonmetals located on the periodic table?

Which of the following has the largest atomic radius?

The alkaline earth metals are slightly more reactive than the alkali metals.

How would a highly conductive, malleable, and lustrous solid most likely be classified?

         Refer to a periodic table. What is the family name for the group containing chlorine?

____________ demonstrated that combustion requires the presence of oxygen .

Uranium, found below the main body of the periodic table, is best classified as a(n):

The modern periodic table arranges elements according to __________.

each elemenet in a period is a member of the same family

brittle solids with metallic luster

How many valence electrons do the Alkaline Earth Metals have?

Ancient Greeks thought that all matter in the universe was made of only 5 elements.

What type of element is lustrous, malleable and ductile?

include almost 80% of the elements

The zigzag line between groups 13-16 separates what?

Elements in group 17 are called ____________.

____________ developed the law of octaves through arranging elements by atomic mass

The modern periodic table has __________ periods and __________ groups.

The measure of an element's ability attract and hold electrons

The symbols that represent each element must always use two letters.

Used letters to represent each element and superscripts to represent number of atoms.

which is also called semiconductors

possess four to eight valence electrons

organized elements with similar characteristics in columns like the modern periodic table

What are the elements in group 2 known as?

The development of the modern periodic table came as a result of

____________ led to reorganizing the period table on the basis of atomic number