| 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 |
Science Vocab 147928
