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Part A What is the atomic number of the element located in group 16, period 2 of the periodic table? Enter the atomic number. > View Available Hint(s)

Part A What is the atomic number of the element located in group 16, period 2 of the periodic table? Enter the atomic number. > View Available Hint(s)

Introductory Chemistry: An Active Learning Approach
Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Mark S. Cracolice, Ed Peters
Chapter5: Atomic Theory : The Nuclear Model Of The Atom
Section: Chapter Questions
Problem 62E
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Please answer question 11 part A and B

Review I Constants I Periodic Table Learning Goal: To understand the arrangement of the periodic table and identify certain groups of elements by name (e.g. halogens, metals, lanthanides etc.). Groups and periods The periodic table is a list of elements arranged by atomic number. As you can see in the image (Figure 1) below, the atomic number for each Columns in the periodic table are called groups, and the rows are called periods. Notice that the groups are labeled 1 to 18 and the periods are labeled 1 to 7. Groups 1, 2, and 13 to 18 are called the main group elements, groups 3 to 12 are the transition elements, and the bottom two rows are called the lanthanides and actinides, respectively. element is the whole number in the cell. The atomic This table gives properties and alternate names for some of the groups: mass, written below the symbol here although it may appear elsewhere in some periodic tables, is the average mass of the isotopes of that element. Group Name Properties 1 Alkali metals React to form 1+ ions. 2 Alkaline earths React to form 2+ ions. 17 Halogens React to form 1– ions. Rare gases (noble gases) Stable and unreactive. (Elements from other groups form ions to achieve the same number of electrons as a noble gas.) 18 Metals vs. nonmetals Notice the heavy zigzag line running diagonally across the right part of the table. This line separates metals (below and to the left of the line) from the nonmetals (above and to the right of the line). Metals tend to lose electrons to form positive ions, whereas nonmetals tend to gain electrons to form negative ions. Figure 1 of 1 atomic number H. 1.008 - atomic mass
Transcribed Image Text:Review I Constants I Periodic Table Learning Goal: To understand the arrangement of the periodic table and identify certain groups of elements by name (e.g. halogens, metals, lanthanides etc.). Groups and periods The periodic table is a list of elements arranged by atomic number. As you can see in the image (Figure 1) below, the atomic number for each Columns in the periodic table are called groups, and the rows are called periods. Notice that the groups are labeled 1 to 18 and the periods are labeled 1 to 7. Groups 1, 2, and 13 to 18 are called the main group elements, groups 3 to 12 are the transition elements, and the bottom two rows are called the lanthanides and actinides, respectively. element is the whole number in the cell. The atomic This table gives properties and alternate names for some of the groups: mass, written below the symbol here although it may appear elsewhere in some periodic tables, is the average mass of the isotopes of that element. Group Name Properties 1 Alkali metals React to form 1+ ions. 2 Alkaline earths React to form 2+ ions. 17 Halogens React to form 1– ions. Rare gases (noble gases) Stable and unreactive. (Elements from other groups form ions to achieve the same number of electrons as a noble gas.) 18 Metals vs. nonmetals Notice the heavy zigzag line running diagonally across the right part of the table. This line separates metals (below and to the left of the line) from the nonmetals (above and to the right of the line). Metals tend to lose electrons to form positive ions, whereas nonmetals tend to gain electrons to form negative ions. Figure 1 of 1 atomic number H. 1.008 - atomic mass
Part A What is the atomic number of the element located in group 16, period 2 of the periodic table? Enter the atomic number. • View Available Hint(s) Part B If a new element were discovered and it was found to form 1– ions, in which group would you place it in the periodic table? Enter the group number. View Available Hint(s)
Transcribed Image Text:Part A What is the atomic number of the element located in group 16, period 2 of the periodic table? Enter the atomic number. • View Available Hint(s) Part B If a new element were discovered and it was found to form 1– ions, in which group would you place it in the periodic table? Enter the group number. View Available Hint(s)
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