Chapter 6 Review

Description:	"The Periodic Table" TEST Study Guide
Category:	Physical Science
Created by:	SavannahNohr on 2008-11-23

Question	Answer
The British Scientist who discovered the atomic numbers of elements	Henry Moseley
The number at the top of each square of the periodic table is the _____.	Atomic Number
The horizontal rows of elements in the periodic table are called _______.	Periods
The elements to the left of the zigzag line on the periodic table are ______.	Metals
Elements within the same vertical column have _____ _______.	Similar Properties
The elements in a period have properties that are (alike/not alike)	Not Alike
Elements that do not combine with other elements except under special, controlled conditions are called _____.	Inert
The elements in family 18, which are inert, are known as the _______.	Noble Gases
The elements that are active, strongly nonmetallic, and react readily with metals to form salts are called _____	Halogens
The elements that are highly reactive, and never found free in nature; always found combined in a compound	Alkali Metals
The two rows that stand alone at the bottom of the periodic table are called the _______	Rare-Earth Metals
Developed a periodic table arranged according to atomic mass	Dmitri Mendeleev
The 1st row of the two that are separated from the table and laid out below is called the _____	Lanthanide Series
The row that contains almost all of the radioactive elements on the periodic table is the _______	Actinide Series
A regular and repeating pattern can be described as ________	Periodic
The atomic number, chemical symbol, _______, and atomic mass are found in each element key	Chemical Name
Metals that can be drawn into thin wires are described as _______	Ductile
Metals that can be hammered into thin sheets are described as __________	Malleable
_________ is the most abundant element in the earth's atmosphere	Nitrogen
The ________ electrons are those found in the outermost energy level of an atom	Valence
Elements can be classified as metals, nonmetals, and ______	Metalloids
________ include elements such as Fluorine and Bromine	Halogens
Property of metals describing their "shininess"	Luster
Nonmetals are (good/poor) conductors of electricity	Poor
States that physical and chemical properties of the elements are functions of their atomic numbers	The Periodic Law
Which family contains the most active nonmetals?	Halogens
Which family contains the second most active metals?	Alkaline Earth Metals
Which family loses electrons most easily?	Alkali Metals
Which family contains elements that are highly unreactive?	Noble Gases
Which family contains elements with one to two valence electrons?	Transition Metals
Pattern of valence electrons from left to right of a period (Increases/Decreases)	Increases
Amount of energy needed to remove an electron from an atom (increases/decreases) across a period?	Increases
Nonmetals are dull and have ______ melting points	Low
Atomic size (increases/decreases) across a period	Increases
Metallic properties (increase/decrease) across a period	Decrease
Process in which atoms join together to form molecules	Chemical Reaction
Groups or Families are terms used to describe the _____ of the periodic table	Columns
A row is also called a ______	Period
Sodium is found in family	One
Fluorine is found in family	Seventeen
Calcium is found in family	Two
Radon is found in family	Eighteen
Gradual wearing away of a metal due to a chemical reaction b/t the metal and it's surroundings	Corrosion
Atoms strive to achieve thei ____. Having their outermost energy level full to capacity.	Octet
Elements having both metal and nonmetal characteristics	Metalloids
Boron, Silicon, Germanium, ______, Antimony, Tellurium, and Polonium are all metalloids	Arsenic
Family who's elements form over 5 million different compounds	Carbon Family
Second most abundant element in the earth's crust	Silicon
Element which is is the "basis of life"	Carbon
Branch of science that studies carbon compounds	Organic Chemistry
Most abundant element in earth's crust	Oxygen
Screens out harmful UV radiation, protecting life on earth	Ozone
Compounds made with elements from this family are most often used to color paint	Transition Metals