Name Date Class ORGANIZING THE ELEMENTS Section Review
... Use this completion exercise to check your understanding of the concepts and terms that are introduced in this section. Each blank can be completed with a term, short phrase, or number. Chemists used the _______ of elements to sort them into ...
... Use this completion exercise to check your understanding of the concepts and terms that are introduced in this section. Each blank can be completed with a term, short phrase, or number. Chemists used the _______ of elements to sort them into ...
Chapter 4 – Atomic Structure (Sec 4.2 pages 108
... • Some transition elements have more properties in common than elements in other groups. – Elements in the lanthanide and actinide series – These elements are so similar that chemists in the 1800s had difficulty separating them when they were found mixed together in nature. ...
... • Some transition elements have more properties in common than elements in other groups. – Elements in the lanthanide and actinide series – These elements are so similar that chemists in the 1800s had difficulty separating them when they were found mixed together in nature. ...
KS4-Chemical-Reactions
... Burning butane in a cigarette lighter Burning gas in a gas hob Reacting an acid and alkali together Burning magnesium Rotting compost etc etc © Boardworks Ltd 2001 ...
... Burning butane in a cigarette lighter Burning gas in a gas hob Reacting an acid and alkali together Burning magnesium Rotting compost etc etc © Boardworks Ltd 2001 ...
Document
... Not found in nature as free elements because they combine with other elements. Combine vigorously with most nonmetals React strongly with water to produce H2 gas and alkalis. ...
... Not found in nature as free elements because they combine with other elements. Combine vigorously with most nonmetals React strongly with water to produce H2 gas and alkalis. ...
pdf AP Chemistry Summer Assignment 2014 Dr. Hart`s classes
... a) The nucleus has most of the mass and comprises most of the volume of an atom; b) Every atom of a given element has the same number of protons; c) The number of electrons in an atom equals the number of neutrons in the atom; d) The protons in the nucleus of the helium atom are held together by a f ...
... a) The nucleus has most of the mass and comprises most of the volume of an atom; b) Every atom of a given element has the same number of protons; c) The number of electrons in an atom equals the number of neutrons in the atom; d) The protons in the nucleus of the helium atom are held together by a f ...
Unit 5 – The Periodic Table
... Classifying Elements • Alkaline Earth Metals – Group 2 elements – Be, Mg, Ca, Sr, Ba, and Ra – 2 valence e• +2 ox. state – Harder, denser, stronger, less reactive than alkali metals • Can occur in nature, but are usually in compounds ...
... Classifying Elements • Alkaline Earth Metals – Group 2 elements – Be, Mg, Ca, Sr, Ba, and Ra – 2 valence e• +2 ox. state – Harder, denser, stronger, less reactive than alkali metals • Can occur in nature, but are usually in compounds ...
Chapter 6 Reading Guide
... 2. What is the atomic radius? 3. What is a picometer and why is it used? 4. What are the patterns to atomic size on the periodic table? 5. What was the book’s example of a trend? 6. What effect does the increase in the charge of the nucleus have on the size? 7. How do orbitals act as shields? 8. Why ...
... 2. What is the atomic radius? 3. What is a picometer and why is it used? 4. What are the patterns to atomic size on the periodic table? 5. What was the book’s example of a trend? 6. What effect does the increase in the charge of the nucleus have on the size? 7. How do orbitals act as shields? 8. Why ...
The History of the Modern Periodic Table
... wrong group, then the weight must be wrong. (He corrected the atomic masses of Be, In, and U) • was so confident in his table that he used it to predict the physical properties of three elements that were yet unknown. ...
... wrong group, then the weight must be wrong. (He corrected the atomic masses of Be, In, and U) • was so confident in his table that he used it to predict the physical properties of three elements that were yet unknown. ...
6 The Periodic Tableааааааааааааааааааааааааа__ /__ pts First
... atomic number. ________ 11. There are six periods in a periodic table. ________ 12. Most of the elements in the periodic table are metals. ________ 13. The elements within a period have similar properties. ...
... atomic number. ________ 11. There are six periods in a periodic table. ________ 12. Most of the elements in the periodic table are metals. ________ 13. The elements within a period have similar properties. ...
The Periodic Table
... 13. A period (a row) on the periodic table has elements that have what in common… A. They have similar chemical properties B. They have the same number of electrons C. They have the same number of electron shells D. They are similarly reactive in compounds. 14. The vertical columns in a periodic tab ...
... 13. A period (a row) on the periodic table has elements that have what in common… A. They have similar chemical properties B. They have the same number of electrons C. They have the same number of electron shells D. They are similarly reactive in compounds. 14. The vertical columns in a periodic tab ...
Chemistry Chapter 5 The Periodic Law
... periodic table and how he arranged the elements. Know how the modern periodic table is arranged and what groups of elements have been added to it. Know the groups and names and unique properties of the alkali metals, alkaline earth metals, halogens, noble gases, transition metals, lanthanides, a ...
... periodic table and how he arranged the elements. Know how the modern periodic table is arranged and what groups of elements have been added to it. Know the groups and names and unique properties of the alkali metals, alkaline earth metals, halogens, noble gases, transition metals, lanthanides, a ...
Notes: Unit 4: Periodic Table - Mr. Palermo`s Flipped Chemistry
... The placement or location of elements on the Periodic Table gives an indication of physical and chemical properties of that element. The elements on the Periodic Table are arranged in order of increasing atomic number. (3.1y) Elements can be classified by their properties and located on the Periodic ...
... The placement or location of elements on the Periodic Table gives an indication of physical and chemical properties of that element. The elements on the Periodic Table are arranged in order of increasing atomic number. (3.1y) Elements can be classified by their properties and located on the Periodic ...
5SC19 Elements, Mixtures, and Compounds
... All atoms have a nucleus. The nucleus usually has neutrons and protons. Neutrons have no electrical charge and protons have a positive charge. An atom is identified by its number of protons, and that number is unique to that atom. For example, sodium has 11 protons, which means NO other atom has 11 ...
... All atoms have a nucleus. The nucleus usually has neutrons and protons. Neutrons have no electrical charge and protons have a positive charge. An atom is identified by its number of protons, and that number is unique to that atom. For example, sodium has 11 protons, which means NO other atom has 11 ...
Chemistry Ch. 5
... For example, you can predict with reasonably good accuracy the physical and chemical properties of the element. You can also predict what other elements a particular element will react ...
... For example, you can predict with reasonably good accuracy the physical and chemical properties of the element. You can also predict what other elements a particular element will react ...
THE PERIODIC TABLE
... • Describe the historical development of the periodic table. • Describe the organization of the modern periodic table according to the periodic law. A. Patterns in Element Properties 1. The elements vary widely in their properties, but in an orderly way. 2. English chemist, John Newlands was the fir ...
... • Describe the historical development of the periodic table. • Describe the organization of the modern periodic table according to the periodic law. A. Patterns in Element Properties 1. The elements vary widely in their properties, but in an orderly way. 2. English chemist, John Newlands was the fir ...
Chapter 6 Review
... Which subatomic particle plays the greatest part in determining the properties of an element? Of the following, which one has the smallest first ionization energy: a) aluminum, or b) silicon? ...
... Which subatomic particle plays the greatest part in determining the properties of an element? Of the following, which one has the smallest first ionization energy: a) aluminum, or b) silicon? ...
PPTB&W - Gmu - George Mason University
... Aluminum is more ionic; its low density and 3 valence electrons make it a good electrical conductor Although Aluminum is a metal, its halides exist in the gaseous state as covalent dimers - AL2Cl6 (contrast salts of group 1 & 2 metals) Aluminum Oxide, Al2O3, is amphoteric (can act as an acid or base ...
... Aluminum is more ionic; its low density and 3 valence electrons make it a good electrical conductor Although Aluminum is a metal, its halides exist in the gaseous state as covalent dimers - AL2Cl6 (contrast salts of group 1 & 2 metals) Aluminum Oxide, Al2O3, is amphoteric (can act as an acid or base ...
Metals
... This is because the increased number of protons (positive charges) in the nucleus creates a greater electromagnetic pull on the electrons (negative charges) orbiting around the outside. Atomic radius does increase as you move down a group due to the fact that there are more energy levels. ...
... This is because the increased number of protons (positive charges) in the nucleus creates a greater electromagnetic pull on the electrons (negative charges) orbiting around the outside. Atomic radius does increase as you move down a group due to the fact that there are more energy levels. ...
class notes packet - Social Circle City Schools
... IN _________ Dimitri Ivanovitch Mendeleev crated the first accepted version of the PT. He grouped the elements according to ______________ mass and as he did he found that the ______________ had similar ____________________ properties. Blank spaces were left open to add the new elements her predicte ...
... IN _________ Dimitri Ivanovitch Mendeleev crated the first accepted version of the PT. He grouped the elements according to ______________ mass and as he did he found that the ______________ had similar ____________________ properties. Blank spaces were left open to add the new elements her predicte ...
Chapter 4 - ETSU.edu
... atomic numbers for chemical elements. He discovered isotopes, explaining how atomic mass did not order the elements appropriately. Moseley was the catalyst for the periodic law, a rule stating that the properties of elements are a periodic function of their atomic numbers. Using the atomic numbers, ...
... atomic numbers for chemical elements. He discovered isotopes, explaining how atomic mass did not order the elements appropriately. Moseley was the catalyst for the periodic law, a rule stating that the properties of elements are a periodic function of their atomic numbers. Using the atomic numbers, ...
Chemistry Study Cards Chapter 5 (3-2) The length of each period in
... Which is the best reason that the atomic radius generally increases with atomic number in each group of elements? ...
... Which is the best reason that the atomic radius generally increases with atomic number in each group of elements? ...