Groups and Families
... Combineinreadily with (Valence atoms, Electrons): especially7metals to gain the missing electron Reactivity: Very Reactive Halogen + Metal = salt Chlorine andProperties: iodine used as Other Shared Poor Conductors of electric current, violent reactions with alkali metals to form disinfectants salts; ...
... Combineinreadily with (Valence atoms, Electrons): especially7metals to gain the missing electron Reactivity: Very Reactive Halogen + Metal = salt Chlorine andProperties: iodine used as Other Shared Poor Conductors of electric current, violent reactions with alkali metals to form disinfectants salts; ...
Elements and Their Properties
... Alkali metals and their compounds have many uses. Doctors use lithium compounds to treat bipolar depression. The operation of some photocells depends upon rubidium or cesium compounds. Francium, the last element in Group 1, is extremely rare and radioactive. A radioactive element is one in which the ...
... Alkali metals and their compounds have many uses. Doctors use lithium compounds to treat bipolar depression. The operation of some photocells depends upon rubidium or cesium compounds. Francium, the last element in Group 1, is extremely rare and radioactive. A radioactive element is one in which the ...
Document
... 7. Why are there two rows of elements at the bottom of the periodic table? ________________ _______________________________________________________________________ CH. 7-2 HOW ELEMENTS ARE DISCOVERED AND NAMED 8. Elements with the atomic number 93 and greater are called synthetic elements. What are ...
... 7. Why are there two rows of elements at the bottom of the periodic table? ________________ _______________________________________________________________________ CH. 7-2 HOW ELEMENTS ARE DISCOVERED AND NAMED 8. Elements with the atomic number 93 and greater are called synthetic elements. What are ...
12/13/12 Chapter 6 Review: Periodic Table Marcus Holloway
... -1829: J.W. Dobereiner published a classification system grouping elements into triads -there were patterns in his triads such as: one element in each triad had properties with values that fall in the middle of the other 2 *Mendeleev published a widely accepted periodic table in 1869 ● a little whil ...
... -1829: J.W. Dobereiner published a classification system grouping elements into triads -there were patterns in his triads such as: one element in each triad had properties with values that fall in the middle of the other 2 *Mendeleev published a widely accepted periodic table in 1869 ● a little whil ...
Dimitri Mendeleev- The father of the modern periodic table. Russian
... • Elements in groups 3-12 on the periodic table, these are typically metals with one or two electrons in their other level. ...
... • Elements in groups 3-12 on the periodic table, these are typically metals with one or two electrons in their other level. ...
CHAPTER – 8 THE d- and f- BLOCK ELEMENTS
... The very name ‘transition’ given to the elements of d-block is only because of their position between s– and p– block elements. The d–orbitals of the penultimate energy level in their atoms receive electrons giving rise to the three rows of the transition metals, i.e., 3d, 4d and 5d. The fourth row ...
... The very name ‘transition’ given to the elements of d-block is only because of their position between s– and p– block elements. The d–orbitals of the penultimate energy level in their atoms receive electrons giving rise to the three rows of the transition metals, i.e., 3d, 4d and 5d. The fourth row ...
family includes a non-metal
... Secret Agent activity, predicting future trends and relating it to the Periodic Table “How can scientists predict what a new element will do?” ...
... Secret Agent activity, predicting future trends and relating it to the Periodic Table “How can scientists predict what a new element will do?” ...
Word - The Chemistry Book
... A. History a. Greeks proposed that all matter was composed of four fundamental substances: fire, earth, water, and air. b. Alchemists discovered mercury, sulfur, and antimony. c. Robert Boyle insisted science should be grounded in experiments; defined an element as a substance that could not be bro ...
... A. History a. Greeks proposed that all matter was composed of four fundamental substances: fire, earth, water, and air. b. Alchemists discovered mercury, sulfur, and antimony. c. Robert Boyle insisted science should be grounded in experiments; defined an element as a substance that could not be bro ...
Reactions of Main Group ...ith Nitrogen - Chemwiki
... General characteristics of the alkali metals include: relatively abundant high chemical reactivity (the most active metals) low melting and boiling points largest atomic and ionic radii highly metallic character low first ionization energy (they lose their valence electrons easily creating a strong ...
... General characteristics of the alkali metals include: relatively abundant high chemical reactivity (the most active metals) low melting and boiling points largest atomic and ionic radii highly metallic character low first ionization energy (they lose their valence electrons easily creating a strong ...
Periodic Table
... melting points. How many valence e- do they have? Differences in their reactivity is how they react with water. They are good conductors of electricity. Mg can be as hard as steel when mixed with other metals but is extremely light. How could that be important? Calcium is important for bones and mus ...
... melting points. How many valence e- do they have? Differences in their reactivity is how they react with water. They are good conductors of electricity. Mg can be as hard as steel when mixed with other metals but is extremely light. How could that be important? Calcium is important for bones and mus ...
The Periodic Table
... Identifying the Staircase • Notice the “zigzag” line on the table. Elements to the LEFT of the line are “METALS”. Elements to the RIGHT of the line are “NON-METALS”. Elements that are right next to the line are often ...
... Identifying the Staircase • Notice the “zigzag” line on the table. Elements to the LEFT of the line are “METALS”. Elements to the RIGHT of the line are “NON-METALS”. Elements that are right next to the line are often ...
Periodic Table and Trends
... This means, assuming the atom looks like a sphere, the radius of the atom would increase as you go down the periodic table. ...
... This means, assuming the atom looks like a sphere, the radius of the atom would increase as you go down the periodic table. ...
NAME: Unit 3 Test Review Arsenic (As), Selenium (Se), and
... 6. Which has a higher atomic mass metals or non metals? 7. The valence electrons determine an elements chemical property and they also determine how an element ________ with other elements. 8. What are the three main subatomic particles of an atom? 9. Which group on the periodic table is made of ONL ...
... 6. Which has a higher atomic mass metals or non metals? 7. The valence electrons determine an elements chemical property and they also determine how an element ________ with other elements. 8. What are the three main subatomic particles of an atom? 9. Which group on the periodic table is made of ONL ...
BOOKLETColoring-the-Periodic-Table-Families
... Each family has a specific name to differentiate it from the other families in the periodic table. Elements in each family react differently with other elements. The elements in a group have the same number of electrons in their outer orbit. They tend to form ions by gaining or losing the sa ...
... Each family has a specific name to differentiate it from the other families in the periodic table. Elements in each family react differently with other elements. The elements in a group have the same number of electrons in their outer orbit. They tend to form ions by gaining or losing the sa ...
Chapter 4 Notes - Riverton High School
... actinide series. One element of the lanthanide series and most of the elements in the actinide series are called trans-uranium, which means synthetic or man-made. ...
... actinide series. One element of the lanthanide series and most of the elements in the actinide series are called trans-uranium, which means synthetic or man-made. ...
Chem A Week 5 Periodic Table Notes and Coloring
... elements to make compounds. Some elements are only found in nature bonded with other elements. What makes an element reactive? An incomplete valence electron level. All atoms (except hydrogen) want to have 8 electrons in their very outermost energy level (This is called the rule of octet.) Atoms bon ...
... elements to make compounds. Some elements are only found in nature bonded with other elements. What makes an element reactive? An incomplete valence electron level. All atoms (except hydrogen) want to have 8 electrons in their very outermost energy level (This is called the rule of octet.) Atoms bon ...
Parts of the Periodic Table
... They are solids (with the exception of mercury). They have a metallic luster. They are good conductors of heat and electricity. They are malleable, or capable of being hammered into thin sheets. They are ductile, or capable of being drawn into thin wire. As we will discuss later, metals ...
... They are solids (with the exception of mercury). They have a metallic luster. They are good conductors of heat and electricity. They are malleable, or capable of being hammered into thin sheets. They are ductile, or capable of being drawn into thin wire. As we will discuss later, metals ...
AP Chemistry Chapter 7
... • The elements in this family are fluorine, chlorine, bromine, iodine, and astatine. • Halogens have 7 valence electrons, which explains why they are the most active nonmetals. They are never found free in nature. • Halogen atoms only need to gain 1 electron to fill their outermost energy level. • T ...
... • The elements in this family are fluorine, chlorine, bromine, iodine, and astatine. • Halogens have 7 valence electrons, which explains why they are the most active nonmetals. They are never found free in nature. • Halogen atoms only need to gain 1 electron to fill their outermost energy level. • T ...
The periodic table as we have it today has not always
... The periodic table as we have it today has not always existed; it developed much in the same way as atomic theory did. In the early 1800’s scientists began looking for ways to classify the elements that had been discovered. ...
... The periodic table as we have it today has not always existed; it developed much in the same way as atomic theory did. In the early 1800’s scientists began looking for ways to classify the elements that had been discovered. ...
graphing atomic properties
... 5. Circle the atom with the largest atomic radius (size) in each group: a. aluminum, sulfur, phosphorus b. arsenic, bismuth, nitrogen c. iron, lithium, silicon d. barium, beryllium, bromine 6. Circle the atom that would require the LEAST amount of energy to remove an ea. magnesium, chlorine, silicon ...
... 5. Circle the atom with the largest atomic radius (size) in each group: a. aluminum, sulfur, phosphorus b. arsenic, bismuth, nitrogen c. iron, lithium, silicon d. barium, beryllium, bromine 6. Circle the atom that would require the LEAST amount of energy to remove an ea. magnesium, chlorine, silicon ...
periodic trend
... ● Periodicity: regular variations (or patterns) of properties with increasing atomic weight; both chemical and physical properties vary in a periodic (repeating pattern). ● Group: vertical column of elements (“family”) ● Period: horizontal row of elements ...
... ● Periodicity: regular variations (or patterns) of properties with increasing atomic weight; both chemical and physical properties vary in a periodic (repeating pattern). ● Group: vertical column of elements (“family”) ● Period: horizontal row of elements ...
Lecture 11 - U of L Class Index
... For example, CaO melts at 2572°C, a temperature well beyond the range of an ordinary fire. Calcium compounds such as lime (CaO) were known and used in ancient times. Calcium metal, however, was first prepared in 1808 by Sir Humphry Davy, who also prepared magnesium, strontium, and barium in the same ...
... For example, CaO melts at 2572°C, a temperature well beyond the range of an ordinary fire. Calcium compounds such as lime (CaO) were known and used in ancient times. Calcium metal, however, was first prepared in 1808 by Sir Humphry Davy, who also prepared magnesium, strontium, and barium in the same ...
Explain what he discovered and draw a diagram of the cathode
... Bohr structures? 3. Draw the Bohr electron configuration for fluorine. 4. Draw the Bohr electron configuration for nitrogen after it satisfies the Octet Rule. What is the charge of its ion? 5. Draw the Bohr electron configuration for magnesium after it satisfies the Octet Rule. What is the charge of ...
... Bohr structures? 3. Draw the Bohr electron configuration for fluorine. 4. Draw the Bohr electron configuration for nitrogen after it satisfies the Octet Rule. What is the charge of its ion? 5. Draw the Bohr electron configuration for magnesium after it satisfies the Octet Rule. What is the charge of ...
The Periodic Table of Elements
... therefore it becomes more difficult for the nucleus to attract an electron to form an ion most reactive is fluorine; least reactive is iodine all halogens form ions with single negative charge eg F-, Cl-, BrExists as diatomic molecules eg F2, Cl2, Br2, I2 reacts vigorously with metals to form ioni ...
... therefore it becomes more difficult for the nucleus to attract an electron to form an ion most reactive is fluorine; least reactive is iodine all halogens form ions with single negative charge eg F-, Cl-, BrExists as diatomic molecules eg F2, Cl2, Br2, I2 reacts vigorously with metals to form ioni ...