Write the valence electron configuration for each of thefollowing:a. alkali metals                b. Group 4A (14)c. Group 7A (17)             d. Group 5A (15)

Q: Choose the element with the higher first ionization energy in each pair.a. Br or Bi b. Na or Rb c.…

A: Ionization energy :  From the ground state of an atom , if one electron is removed than the energy…

Q: Select the element in each pair with the higher ionization energy.a. Br or I            b. Mg or…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: Chromium has _ valence electrons and _ are required?  a. 6, 4 b. 5, 5 c. 2, 0 d. 5, 2 e. 2, 4

A: The outer most shell present in an atom is called valence shell. The electrons present in these…

Q: Use the periodic table to classify Ce (cerium) as a metal or a nonmetal, and then further classify…

A: Ce belongings to f block element and of Lanthanides series. and Lanthanides are metals.

Q: What is electron configuration of outer shell of element which forms Me,03? Select one: a. ns b.…

A: From the formula Me2O3 its valency is 3. Since it is a metal, its valence shell has 3 electrons. So…

Q: [Review Topics] [References] Most metallic elements form oxides, and often the oxide is the most…

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Q: The general electron configuration for atoms of all elements in Group 7A is Select one: a. ns np 1.…

A: Group 7A of the periodic table are halogens(also known as group 17 elements): fluorine, chlorine,…

Q: In what group of the periodic table is the element with the electron configuration [Ar] 4s23d104p3?…

A: Electron configuration =  [Ar] 4s23d104p3We need to write the group name of given electron…

Q: Select the element in each pair with the higher ionization energy.a. O or Ne      b. K or Brc. Ca or…

A: Ionization energy represents the energy required to remove an electron from an isolated gaseous atom…

Q: 4. Consider the first four ionization energies for an element we will call A. Ionization energy in…

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

Q: The rate of effusion of an unknown gas was measured and found to be 18.9 mL/min. Under the same…

A: Graham's law of effusion: Graham's law of effusion states that the rate of effusion of a gas is…

Q: Choose the element with the higher first ionization energy from each pair.a. Br or Bi b. Na or Rb c.…

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

Q: Consider the element A, with atomic number 34. The electronic configuration of A2- is:   a. [Xe]…

A:

Q: The general electron configuration for atoms of all elements in Group 5A is Select one: 4. a. ns np…

A: Group 5 A are the group of nitrogen and is known as pnictogens. They are belongs to p block elements…

Q: What is the orbital notation for the following? A.) Mh B.) Fe

A: The objective of the question is to find the orbital notation for the elements Mh (Meitnerium) and…

Q: For the following elements, write the electron configuration and if the element is diamagnetic or…

A: Paramagnetic compounds have unpaired electrons while in diamagnetic compounds the electrons all have…

Q: within the p-block element group, the elements to the right of the the temp-like zigzag line are ?…

A: The p-block starts with group number 13 and ends to group number 18. Total 6 groups are present in…

Q: the property which shows a decrease within a group with increasing atomic number is

A: In the periodic table , we go through various properties of elements like atomic radius/ ionic…

Q: The Group on the Periodic Table that BEST demonstrates the concept that elements in the same Group…

A: An atom is the basic and fundamental unit of matter. An atom consists of electron and the nucleus in…

Q: Consider the elements: Na, Mg, Al, Si, P.a. Which element has the highest second ionization…

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

Q: For transition elements, describe and explain the observed trends in atomic radius as you move:a.…

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Q: For a main group element, the number of valence electrons is   Group of answer choices: a. equal…

A: Group: A group is any column on the periodic table. Elements in the same group usually have similar…

Q: For transition elements, describe the trends in atomic radius as we:a. move across a period in the…

A: The measure of size of atom of an element is atomic radius. It is distance from nucleus center to…

Q: 67.)Which of the following elements has the highest ionization energy? a. K b. Ca c. Rb d. Sr

A: Ionization energy is the minimum energy required to remove an electron from outer most shell in its…

Q: Which of the following is atransition metal? A. Barium B. Mercury C.     Cesium   D. Aluminium

A: A transition metal is defined as an element whose atom has a partly filled d sub-shell, or which can…

Q: Noble Gases

A: Noble gases are defined as a group of rare gases which include helium, neon, argon, krypton, xenon,…

Q: 8. Which of the following atom is paramagnetic? C. Calcium D. Potassium A. Zinc В. Кгуpton

A: Paramagnetism, kind of magnetism characteristic of materials weakly attracted by the strong magnet,…

Q: Which of the following is not true? O a. The transition metals are characterized by partially filled…

A: