(a)
Interpretation:
The group number (if any) and a family name (if any) of the given element are to be stated.
Concept Introduction:
A table in which the elements are arranged in a systematic form is known as a periodic table. The rows of the periodic table are known as periods, and the columns of the periodic table are known as groups. The elements in the same group have a general electronic configuration.
Answer to Problem 86AP
The group number of the given element, astatine is
Explanation of Solution
The given element is astatine with
(b)
Interpretation:
The group number (if any) and a family name (if any) of the given element are to be stated.
Concept Introduction:
A table in which the elements are arranged in a systematic form is known as a periodic table. The rows of the periodic table are known as periods, and the columns of the periodic table are known as groups. The elements in the same group have a general electronic configuration.
Answer to Problem 86AP
The group number of the given element, xenon is
Explanation of Solution
The given element is xenon with
(c)
Interpretation:
The group number (if any) and a family name (if any) of the given element are to be stated.
Concept Introduction:
A table in which the elements are arranged in a systematic form is known as a periodic table. The rows of the periodic table are known as periods, and the columns of the periodic table are known as groups. The elements in the same group have a general electronic configuration.
Answer to Problem 86AP
The group number of the given element, radium is
Explanation of Solution
The given element is radium with
(d)
Interpretation:
The group number (if any) and a family name (if any) of the given element are to be stated.
Concept Introduction:
A table in which the elements are arranged in a systematic form is known as a periodic table. The rows of the periodic table are known as periods, and the columns of the periodic table are known as groups. The elements in the same group have a general electronic configuration.
Answer to Problem 86AP
The group number of the given element, strontium is
Explanation of Solution
The given element is strontium with
(e)
Interpretation:
The group number (if any) and a family name (if any) of the given element are to be stated.
Concept Introduction:
A table in which the elements are arranged in a systematic form is known as a periodic table. The rows of the periodic table are known as periods, and the columns of the periodic table are known as groups. The elements in the same group have a general electronic configuration.
Answer to Problem 86AP
The group number of the given element, lead is
Explanation of Solution
The given element is lead with
(f)
Interpretation:
The group number (if any) and a family name (if any) of the given element are to be stated.
Concept Introduction:
A table in which the elements are arranged in a systematic form is known as a periodic table. The rows of the periodic table are known as periods, and the columns of the periodic table are known as groups. The elements in the same group have a general electronic configuration.
Answer to Problem 86AP
The group number of the given element, selenium is
Explanation of Solution
The given element is selenium with
(g)
Interpretation:
The group number (if any) and a family name (if any) of the given element are to be stated.
Concept Introduction:
A table in which the elements are arranged in a systematic form is known as a periodic table. The rows of the periodic table are known as periods, and the columns of the periodic table are known as groups. The elements in the same group have a general electronic configuration.
Answer to Problem 86AP
The group number of the given element, argon is
Explanation of Solution
The given element is argon with
(h)
Interpretation:
The group number (if any) and a family name (if any) of the given element are to be stated.
Concept Introduction:
A table in which the elements are arranged in a systematic form is known as a periodic table. The rows of the periodic table are known as periods, and the columns of the periodic table are known as groups. The elements in the same group have a general electronic configuration.
Answer to Problem 86AP
The group number of the given element, cesium is
Explanation of Solution
The given element is cesium with
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Chapter 4 Solutions
Introductory Chemistry: A Foundation
- An isotope of an element contains 63 protons and 91 neutrons. (a) Identify the element and give its symbol. (b) Give the elements atomic number. (c) Give the mass number of the isotope. (d) This element has two naturally occurring isotopes. Given the information in the table, calculate the atomic weight of the element. (e) In which region of the periodic table is the element found? Explain your answer. (f) Is the element a metal, metalloid, or nonmetal? Explain your answer. (g) This element, used in compact fluorescent light bulbs and computer screens, has an atomic radius of 180 pm. Calculate how long the chain of atoms would be if all the atoms in a 1.25-mg sample of this element were put into a row.arrow_forwardThe following isotopes have applications in medicine. Write their symbols in the form XZA. a. cobalt-60 b. phosphorus-32 c. iodine-131 d. sulfur-35arrow_forwardYou perform a chemical reaction using the hypothetical elements A and B. These elements are represented by their molecular models shown below: The product of the reaction represented by molecular models is a Using the molecular models and the boxes, present a balanced chemical equation for the reaction of elements A and B. b Using the symbols A and B2 for the chemical reaction, write a balanced chemical equation. c What are some real-element possibilities for element B?arrow_forward
- a What is the name of the alkali metal that is in Period 6? b What is the name of the halogen that is in Period 6? c What is the name of the alkaline earth metal that is in Period 3? d What is the name of the noble gas that is in Period 3?arrow_forwardAnswer the question in the screenshot below. Thank you!arrow_forwardThe formulas for the oxides of sodium, magnesium, aluminum, and silicon are, respectively, Na2O, MgO, Al2O3, and SiO2. Using the periodic table, predict the chemical formulas for each of the following similar compounds. Express your answer as a chemical formula. lithium oxide barium oxide thallium oxide tin oxidearrow_forward
- Explain the difference between an atom of xenon-130 and an atom of xenon-136. Give how many protons, neutrons, and electrons each atom contains as well as the mass number for each atom.arrow_forwardRead each description in the first column of the table below. If any chemical element with atomic number of 92 or less matches the description, check Yes and enter the chemical symbol of an element that matches. Otherwise check No in the second column. description An element in Period 6 and Group 2A. A nonmetal in Group 6A. A halogen with a lower atomic number than thallium. A main-group element in Period 3. Does any element with Z ≤ 92 match the description? O Yes Yes Yes Yes No No No No If you checked yes, give the symbol of an element with Z ≤ 92 that matches. X 1 0 || Śarrow_forwardNaturally occurring uranium consists of two isotopes, whose masses are shown below: Isotope Mass U-235 235.044 amu U-238 238.051 amu U-238 is naturally the most abundant form of uranium; however, only U-235 can be used as fuel in a nuclear reactor, so uranium for us in the nuclear industry must be enriched in this isotope. If a sample of enriched uranium has an atomic weight of 235.684 amu, what percentage of U-235 is present?arrow_forward
- Please don't provide handwritten solutionarrow_forwardRead each description in the first column of the table below. If any chemical element with atomic number of 92 or less matches the description, check Yes and enter the chemical symbol of an element that matches. Otherwise check No in the second column. description An element in Period 1 and Group 1A. A metalloid in Group 5A. A halogen with a lower atomic number than tellurium. A main-group element in Period 2. Does any element with Z ≤ 92 match the description? OYes O Yes O Yes O Yes O No O No No No If you checked yes, give the symbol of an element with Z ≤ 92 that matches. Xarrow_forwardRead each description in the first column of the table below. If any chemical element with atomic number of 92 or less matches the description, check Yes and enter the chemical symbol of an element that matches. Otherwise check No in the second column. description An element in Period 1 and Group 2A. A metalloid in Group 8A. A noble gas with a higher atomic number than arsenic. A main-group element in Period 4. Does any element with Z 92 match the description? O O O Yes Yes Yes Yes O No No No O No If you checked yes, give the symbol of an element with Z≤ 92 that matches. X 0 0 Śarrow_forward
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