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A. TRUE OR FALSE. Write T before each number if the statement is correct statement is incorrect. anu 1. A period is a vertical column of elements in the periodic table. 2. There are 16 groups in a periodic table. 3. John Newlands proposed the periodic table in triads. 4. It is impossible for 2 elements to be located in the same period and group. 5. Antoine Lavoiser arranged element into groups of simple substances that do not decompose by any means. 6. The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the nucleus to the boundary of the surrounding cloud of electrons. 7. Oxygen is an example of a halogen. 8.Johann Dobereiner made a list of elements arranged by increasing atomic weight in spiral order. 9. Metalloids have shared properties of metal and nonmetals. 10. Malleability is the property of matter being able to be drawn into wires. 11. The only nonmetal that is a liquid at room temperature is bromine. 12. Gold has higher melting point compared to Nitrogen. 13. lonization potential is tthe tendency of an atom to attract a shared pair of electrons towards itself. 14. Lothar Meyer & Dmitri Mendeleev arranged the elements according to its atomic number. 15. Jons Jakob Berzelius proposed a system of chemical symbols based on the first letter of based on their latin name.

A. TRUE OR FALSE. Write T before each number if the statement is correct statement is incorrect. anu 1. A period is a vertical column of elements in the periodic table. 2. There are 16 groups in a periodic table. 3. John Newlands proposed the periodic table in triads. 4. It is impossible for 2 elements to be located in the same period and group. 5. Antoine Lavoiser arranged element into groups of simple substances that do not decompose by any means. 6. The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the nucleus to the boundary of the surrounding cloud of electrons. 7. Oxygen is an example of a halogen. 8.Johann Dobereiner made a list of elements arranged by increasing atomic weight in spiral order. 9. Metalloids have shared properties of metal and nonmetals. 10. Malleability is the property of matter being able to be drawn into wires. 11. The only nonmetal that is a liquid at room temperature is bromine. 12. Gold has higher melting point compared to Nitrogen. 13. lonization potential is tthe tendency of an atom to attract a shared pair of electrons towards itself. 14. Lothar Meyer & Dmitri Mendeleev arranged the elements according to its atomic number. 15. Jons Jakob Berzelius proposed a system of chemical symbols based on the first letter of based on their latin name.

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter1: The Nature Of Chemistry
Section1.13: The Periodic Table
Problem 1.9E
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A. TRUE OR FALSE. Write T before each number if the statement is statement is incorrect. 1. A period is a vertical column of elements in the periodic table. 2. There are 16 groups in a periodic table. 3. John Newlands proposed the periodic table in triads. 4. It is impossible for 2 elements to be located in the same period and group. 5. Antoine Lavoiser arranged element into groups of simple substances that do not decompose by any means. _6. The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the nucleus to the boundary of the surrounding cloud of electrons. 7. Oxygen is an example of a halogen. 8.Johann Dobereiner made a list of elements arranged by increasing atomic weight in spiral order. 9. Metalloids have shared properties of metal and nonmetals. 10. Malleability is the property of matter being able to be drawn into wires. 11. The only nonmetal that is a liquid at room temperature is bromine. 12. Gold has higher melting point compared to Nitrogen. 13. lonization potential is tthe tendency of an atom to attract a shared pair of electrons towards itself. 14. Lothar Meyer & Dmitri Mendeleev arranged the elements according to its atomic number. 15. Jons Jakob Berzelius proposed a system of chemical symbols based on the first letter of me and some based on their latin name. their
Transcribed Image Text:A. TRUE OR FALSE. Write T before each number if the statement is statement is incorrect. 1. A period is a vertical column of elements in the periodic table. 2. There are 16 groups in a periodic table. 3. John Newlands proposed the periodic table in triads. 4. It is impossible for 2 elements to be located in the same period and group. 5. Antoine Lavoiser arranged element into groups of simple substances that do not decompose by any means. _6. The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the nucleus to the boundary of the surrounding cloud of electrons. 7. Oxygen is an example of a halogen. 8.Johann Dobereiner made a list of elements arranged by increasing atomic weight in spiral order. 9. Metalloids have shared properties of metal and nonmetals. 10. Malleability is the property of matter being able to be drawn into wires. 11. The only nonmetal that is a liquid at room temperature is bromine. 12. Gold has higher melting point compared to Nitrogen. 13. lonization potential is tthe tendency of an atom to attract a shared pair of electrons towards itself. 14. Lothar Meyer & Dmitri Mendeleev arranged the elements according to its atomic number. 15. Jons Jakob Berzelius proposed a system of chemical symbols based on the first letter of me and some based on their latin name. their
B. Fill in the missing information in the table. You are not allowed to use your periodic table. Give 2 elements belonging to the group GROUP OTHER NAMES NUMBER Group VIIIA/0 Pnictogens Lithium, Potassium Aluminum, Gallium Alkaline Earth Metals Group IVA Halogens Group VIA C. Draw an arrow pointing to the element which has an increasing trend based on the given property. Example is shown below. (You are not allowed to use your periodic table. Try to visualize the locations of the different elements based on your memory of Group A elements. ) Metallic Property Ex. Nitrogen Lithium Calcium Sodium Electronegativity Fluorine Boron Iron Copper Atomic Size Barium Magnesium Arsenic Bismuth Electron Affinity Germaniun Magnesium Sulfur Chlorine lonization Potential/Energy Aluminum Bromine Bromine Fluorine
Transcribed Image Text:B. Fill in the missing information in the table. You are not allowed to use your periodic table. Give 2 elements belonging to the group GROUP OTHER NAMES NUMBER Group VIIIA/0 Pnictogens Lithium, Potassium Aluminum, Gallium Alkaline Earth Metals Group IVA Halogens Group VIA C. Draw an arrow pointing to the element which has an increasing trend based on the given property. Example is shown below. (You are not allowed to use your periodic table. Try to visualize the locations of the different elements based on your memory of Group A elements. ) Metallic Property Ex. Nitrogen Lithium Calcium Sodium Electronegativity Fluorine Boron Iron Copper Atomic Size Barium Magnesium Arsenic Bismuth Electron Affinity Germaniun Magnesium Sulfur Chlorine lonization Potential/Energy Aluminum Bromine Bromine Fluorine
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