Which element has the following configuration: [Xe]6s²4f¹12 Enter the chemical symbol for the element.

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located In the outer Solar…

A: The isotopes are elements having same atomic number with different mass number, which have same…

Q: A biochemist who is studying the properties of certain sulfur(S)–containing compounds in the body…

A: Sulphur belongs to group 16 of the periodic table , i.e, chalcogen family . Its atomic number  and…

Q: Which of these elements is most likely to form ions with a 2+charge?(a) Li (b) Ca (c) O (d) P (e) Cl

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Q: Given the following information about two elements X and Y of the same group. Element Atomic…

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Q: Arrange in order of increasing atomic size. (a) the period 3 elements Cl, Na, and Ar (b) the Group…

A: Arrange in order of increasing atomic size. (a) the period 3 elements Cl, Na, and Ar (b) the Group…

Q: Q1. This question is about atomic structure. (a) Write the full electron configuration for each of…

A: Ionization energy is the energy required to eliminate one electron form the outer most shell i.e.…

Q: 1. Using the various group classifications from the periodic table, assign all appropriate labels to…

A: In the periodic table elements are arranged on the basis of their atomic number. When the elements…

Q: Which of the following elements is expected to have the highest SECOND IONIZATION ENERGY:…

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Q: Which of the listed elements is most metallic?(a) Al (b) N (c) P (d) O

A: Which of the listed elements is most metallic? (a) Al (b) N (c) P (d) O

Q: Which element is a main-group metal? (a) O (b) Ag (c) P (d) Pb

A: a) O (b) Ag (c) P (d) Pb

Q: Atoms of each of the following elements are essential for life. Give the group name for the…

A: Hello. Since the question contain multiple sub parts, the first three subparts are solved. In case…

Q: 66. Which element do you expect to be most like magnesium? Why?(a) potassium(b) silver(c) bromine(d)…

A: Magnesium = Its atomic number is 12, and present in Group 2 in the periodic table.

Q: Name one metalloid in period 4 and one non-metal in period 5:

A: The metalloid in period 4 is ,        Germanium  (Ge)       Arsenic (As)

Q: Which of the following elements is a halogen? a) Sodium b) Carbon c) Fluorine d) Iron

A: As we know that, in the modern periodic table halogens are a group of elements belongs to the group…

Q: 1)    The element gallium (Ga) exists in two isotopic forms with the following abundances: 60.16%…

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Q: Classify each of the following fifth-row elements as a metal, a metalloid, or a nonmetal: (a) Y (b)…

A: The metals are elements that are aligned left side of the periodic table and have a tendency to lose…

Q: Symbol of the element 4p^1

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Q: Arrange in order of increasing nonmetallic character. (a) the period 4 elements Ga, Ge, Ti (b) the…

A: Non metallic character is tendency to gain electron. Non-metals gains the electron in chemical…

Q: Arrange the following atoms by increasing number of neutrons. 134Ba, 134Ce, 134Xe

A: Given:

Q: Fill in the blanks:(a) The symbol and atomic number of the heaviest nonradioac-tive noble gas are…

A: The periodic table is the representation of elements that are arranged by atomic number, electronic…

Q: Silicon (Si) is the semiconductor indust the Group IV (4) of th Si-29. i) (ii) Explain what a How…

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Q: Boron, atomic number 5, occurs naturally as two isotopes, 10B and 11B, with natural abundances of…

A: Note - Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: mass spectrometer is being used to separate common oxygen-16 from the much rarer oxygen-18, taken…

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Q: Name each of the following oxides. Assuming that thecompounds are ionic, what charge is associated…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Which element is a transition metal?(a) Ca (b) Pb (c) Xe (d) Cr

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Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

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Q: give the charge of the transition metal   Ag2C2O4

A: Answer :  Charge of transition metal Ag is +1.  Ag2C2O4 siver oxalate  is a ionic compound. Which…

Q: Which of the following elements would you expect to have chemical properties most similar to those…

A: on the basis of the periodic table, we can say that the elements that belong to the same group have…

Q: Ca^2+ and S^2- as a chemical formula

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Q: While the most common isotope of nitrogen has a mass number of 14 (nitrogen-14), a radioactive…

A: a) Since the isotopes are defined as the elements with same atomic number but different mass number.…

Q: Which of the following elements has the highest ionization energy? Ca Al Ne Ba Cl

A: As we move up to down in a group, the number of shell increases and valence electron experience…

Q: (b) A new element, "X", is discovered and found to have 2 electrons in its outer level. Is X a metal…

A: Given that - New discovered element , with symbol of "X" has 2 electrons in it's outermost Valence…

Q: Boron, atomic number 5, occurs naturally as two isotopes, 10B and 11B, with natural abundances of…

A: Since you have posted multiple sub part questions we answered only three sub-parts for the…

Q: which element is a metal in period 5 of the periodic table

A: Periodic table:In a periodic table elements are arranged by atomic number, electron configuration,…

Q: Arrange in order of increasing nonmetallic character. (Use the appropriate symbol to separate…

A: Non metallic character : It is the tendency of elements to gain electron and form negative ions…