Chapter Test A
... atomic radius ion Group 1, Period 7, s block All three groups of elements are metals. Alkali and alkaline-earth metals are so reactive that they are not found in nature as free elements. Transition elements are generally less reactive. Some are so unreactive that they do not form compounds easily an ...
... atomic radius ion Group 1, Period 7, s block All three groups of elements are metals. Alkali and alkaline-earth metals are so reactive that they are not found in nature as free elements. Transition elements are generally less reactive. Some are so unreactive that they do not form compounds easily an ...
File
... Vertical columns in atomic mass order Made some exceptions to place elements in rows with similar properties (Tellurium and Iodine) Horizontal rows have similar chemical properties Gaps for “yet to be discovered” elements Left questions: why didn’t some elements fit in order of increasing mass? Why ...
... Vertical columns in atomic mass order Made some exceptions to place elements in rows with similar properties (Tellurium and Iodine) Horizontal rows have similar chemical properties Gaps for “yet to be discovered” elements Left questions: why didn’t some elements fit in order of increasing mass? Why ...
Reading the Periodic Table
... •softer than most other metals •can explode if they are exposed to water ...
... •softer than most other metals •can explode if they are exposed to water ...
6-1-Periodic Law
... It was found that if Mendeleev's table was ordered by atomic number instead of atomic mass the inconsistencies in the table were eliminated. This is the blueprint for the modern periodic table. ...
... It was found that if Mendeleev's table was ordered by atomic number instead of atomic mass the inconsistencies in the table were eliminated. This is the blueprint for the modern periodic table. ...
Electron Configurations and the Periodic Table
... •Elements in the same group share similar chemical properties. •Elements in groups 1 (alkali metals) and 2 (alkaline-earth metals) are chemically reactive. •The outermost energy level in an atom of each Group 1 element contains a single s electron. This electron is lost with ease which helps to make ...
... •Elements in the same group share similar chemical properties. •Elements in groups 1 (alkali metals) and 2 (alkaline-earth metals) are chemically reactive. •The outermost energy level in an atom of each Group 1 element contains a single s electron. This electron is lost with ease which helps to make ...
1 - contentextra
... nearest neighbours an atom, molecule or ion has in a crystal structure. Covalent radius of atom This is half of the inter-nuclear distance between two covalently bonded atoms of the same element. Dative covalent (Coordinate) bond A dative covalent bond is formed when one of the atoms supplies both e ...
... nearest neighbours an atom, molecule or ion has in a crystal structure. Covalent radius of atom This is half of the inter-nuclear distance between two covalently bonded atoms of the same element. Dative covalent (Coordinate) bond A dative covalent bond is formed when one of the atoms supplies both e ...
Topics 3 and 13 Outline
... • The group numbering scheme from group 1 to group 18, as recommended by IUPAC, should be used. 3.2 Periodic trends Essential idea: Elements show trends in their physical and chemical properties across periods and down groups. Nature of science: Looking for patterns—the position of an element in the ...
... • The group numbering scheme from group 1 to group 18, as recommended by IUPAC, should be used. 3.2 Periodic trends Essential idea: Elements show trends in their physical and chemical properties across periods and down groups. Nature of science: Looking for patterns—the position of an element in the ...
ORGANIZATION OF THE PERIODIC TABLE
... Groups 13-16 = BCNO group 3-6 valence electrons Group 17 = Halogens (combine to form salts) 7 valence electrons Group 18 = Nobel Gases (least reactive) 8 valence electrons Lanthanides & Actinides - Many are radioactive, also called rare earth metals ...
... Groups 13-16 = BCNO group 3-6 valence electrons Group 17 = Halogens (combine to form salts) 7 valence electrons Group 18 = Nobel Gases (least reactive) 8 valence electrons Lanthanides & Actinides - Many are radioactive, also called rare earth metals ...
PERIODIC TABLE - WordPress.com
... 3. What is atomic number? 4. What are the atomic numbers and relative atomic masses of Sodium and Chlorine? 5. What are d-block elements commonly known as? 6. Name three metalloids (semi-metals) from the Periodic Table. 7. Which block (s, p, d, f) does iron belong to in the Periodic Table? 8. Which ...
... 3. What is atomic number? 4. What are the atomic numbers and relative atomic masses of Sodium and Chlorine? 5. What are d-block elements commonly known as? 6. Name three metalloids (semi-metals) from the Periodic Table. 7. Which block (s, p, d, f) does iron belong to in the Periodic Table? 8. Which ...
Chapter 4
... • Group 1 • These elements are soft and can be cut with a knife. • They are highly reactive. The will react with both air and water. • They form alkaline/basic solutions (the opposite of acidic solutions). • Their electron configurations all end s1. ...
... • Group 1 • These elements are soft and can be cut with a knife. • They are highly reactive. The will react with both air and water. • They form alkaline/basic solutions (the opposite of acidic solutions). • Their electron configurations all end s1. ...
Science Review Sheet: Periodic Table Test Name: __________
... 9. What are the elements in group 8a called? What makes them unique compared to other elements? ...
... 9. What are the elements in group 8a called? What makes them unique compared to other elements? ...
are smaller than their respective atoms.
... First Ionization Energy Trends on the Periodic Table First ionization energies generally increase across a period and decrease down a group. Generally, the larger the atom the easier it is to remove an electron and the less ionization energy required. WHY? The outermost electrons are found in hig ...
... First Ionization Energy Trends on the Periodic Table First ionization energies generally increase across a period and decrease down a group. Generally, the larger the atom the easier it is to remove an electron and the less ionization energy required. WHY? The outermost electrons are found in hig ...
NAME: Unit 3 Test Review Arsenic (As), Selenium (Se), and
... 5. Where are the metalloids located on the periodic table? On either side of the zigzag 6. Which has a higher atomic mass metals or non metals? metals 7. The valence electrons determine an elements chemical property and they also determine how an element reacts with other elements. 8. What are the t ...
... 5. Where are the metalloids located on the periodic table? On either side of the zigzag 6. Which has a higher atomic mass metals or non metals? metals 7. The valence electrons determine an elements chemical property and they also determine how an element reacts with other elements. 8. What are the t ...
The Periodic Table
... Examples of Metals Potassium, K reacts with water and must be stored in kerosene ...
... Examples of Metals Potassium, K reacts with water and must be stored in kerosene ...
Worksheet 3 - contentextra
... nearest neighbours an atom, molecule or ion has in a crystal structure. Covalent radius of atom This is half of the inter-nuclear distance between two covalently bonded atoms of the same element. Dative covalent (Coordinate) bond A dative covalent bond is formed when one of the atoms supplies both e ...
... nearest neighbours an atom, molecule or ion has in a crystal structure. Covalent radius of atom This is half of the inter-nuclear distance between two covalently bonded atoms of the same element. Dative covalent (Coordinate) bond A dative covalent bond is formed when one of the atoms supplies both e ...
CHMB homework Name © Van Der Sluys, 2004 Periodic Table 1
... 1. Where are the most active metals? _________________________________ 2. Where are the most active nonmetals? ______________________________ 3. As you go from left to right across a period, the atomic size (increases/decreases). 4. As you travel down a group, the atomic size (decreases/increases). ...
... 1. Where are the most active metals? _________________________________ 2. Where are the most active nonmetals? ______________________________ 3. As you go from left to right across a period, the atomic size (increases/decreases). 4. As you travel down a group, the atomic size (decreases/increases). ...
(periods) to
... particular subshell fall into the same columns (e.g. oxygen and selenium are in the same column because they both have four electrons in the outermost p-subshell ) ...
... particular subshell fall into the same columns (e.g. oxygen and selenium are in the same column because they both have four electrons in the outermost p-subshell ) ...
How is the periodic table organized?
... protons all atoms of that element have in their nuclei. If the atom is neutral, it will have the same number of electrons as protons. ...
... protons all atoms of that element have in their nuclei. If the atom is neutral, it will have the same number of electrons as protons. ...
Periodic Table Worksheet 1. Where are the most active metals
... 1. Where are the most active metals located? ____________Group 1____________ 2. Where are the most active non-metals located? _______________Group 17 _______________ 3. As you go from left to right across a period, the atomic radius (increases/decreases). Why? Greater ENC, stronger force of attracti ...
... 1. Where are the most active metals located? ____________Group 1____________ 2. Where are the most active non-metals located? _______________Group 17 _______________ 3. As you go from left to right across a period, the atomic radius (increases/decreases). Why? Greater ENC, stronger force of attracti ...
Reactions of common metals and properties of
... resembles that of the proton, H+, but there are more differences than similarities. Hydrogen also forms an anion, the hydride ion, H-, and many metals, including the alkali and alkaline earth metals form salt-like hydrides, such as NaH. Such hydrides have similar crystal structures to alkali halides ...
... resembles that of the proton, H+, but there are more differences than similarities. Hydrogen also forms an anion, the hydride ion, H-, and many metals, including the alkali and alkaline earth metals form salt-like hydrides, such as NaH. Such hydrides have similar crystal structures to alkali halides ...
Who`s in this family?
... up processes in the human body • It combines with many other elements to form useful compounds such as, milk of magnesia & Epsom salts ...
... up processes in the human body • It combines with many other elements to form useful compounds such as, milk of magnesia & Epsom salts ...
1. In what order did Mendeleev arrange the elements in his periodic
... a) in the order solid, liquid, gas b) decreasing atomic number c) increasing number of neutrons d) increasing atomic weight 2. What family of elements was unknown when Mendeleev created the periodic table? a) noble gases b) alkali metals c) alkaline earth metals d) halogens 3. Mendeleev predicted th ...
... a) in the order solid, liquid, gas b) decreasing atomic number c) increasing number of neutrons d) increasing atomic weight 2. What family of elements was unknown when Mendeleev created the periodic table? a) noble gases b) alkali metals c) alkaline earth metals d) halogens 3. Mendeleev predicted th ...
Cations (positive ions) are smaller than their respective atoms.
... First Ionization Energy Trends on the Periodic Table First ionization energies generally increase across a period and decrease down a group. Generally, the larger the atom the easier it is to remove an electron and the less ionization energy required. WHY? The outermost electrons are found in hig ...
... First Ionization Energy Trends on the Periodic Table First ionization energies generally increase across a period and decrease down a group. Generally, the larger the atom the easier it is to remove an electron and the less ionization energy required. WHY? The outermost electrons are found in hig ...