Which atom has the largest atomic size, P, As, or Se?

Q: Order the elements Sr, Ca and Se in order of decreasing atomic size. Explain your answer .

A: Order the elements Sr, Ca and Se in order of decreasing atomic size ?

Q: 7.26 Define atomic radius. Does the size of an atom have aprecise meaning? Explain.

A: To find: Definition of atomic radius.  Does the size of an atom have a precise meaning? Explain

Q: What is meant by pauli’s exclusion principle?

A: A question about Pauli's exclusion principle.

Q: What does “electron density in a tiny volume of space” mean?

A: Electron density represents the presence of electrons in an unit area.

Q: State the Pauli exclusion principle. Explain how it is usedto determine the number of electrons that…

A: An electron has four quantum numbers: principal quantum number (n), Azimuthal quantum number (l),…

Q: 7.125 How do ionization energies change with increasing atomic number (a) down a group of elements…

A: Ionisation energy (IE) : The ionisation energy is defined as the amount of energy to remove the most…

Q: Which of the following is true for both an orbit and an orbital? (Sec. 4.11) (a) An orbit and an…

A: According to Bohr, in an atom the electrons are present in certain paths of fixed energies which are…

Q: 7.121 Which of the following group 1 elements has the largest atoms: Li, Na, K, or Rb? Explain your…

A:

Q: What atom has the largest atomic radius? - Si - Mg - Sr - S

A: Given Elements  Silicone  Magnesium  Strontium  Sulphur  We have to find the element which has…

Q: last electron of nickel quantum numbers?

A:

Q: For each of the following, give the sublevel designation, the allowable mₗ values, and the number of…

A: a.

Q: What is the correct ranking in order of increasing atomic size for Rb, Mg and P

A: Generally, the trend of atomic size is as follows: 1) Atomic size increases down the group because…

Q: Rank the following atoms in order of decreasing atomic radius size: Rb, F,MG,B,N

A: Given, The atomic radius size decreasing order for:  Rb, F, Mg, B, N is:

Q: Define the term principal quantum number?

A: Quantum numbers are used to describe the position and energy of the electron in an atom. There are…

Q: Describe the relationship between an element’s row number in the periodic table and the highest…

A: Periodic table is the display of chemical elements arranged in a tabular form according to…

Q: arrange F,Na,Mg atoms in order of increasing atomic size and explain

A: Electron configuration of F: [He]2s2 2p5              ( second period) Na: [Ne] 3s1…

Q: What is the noble gas core? How does it simplify the writing of electron configurations?

A:

Q: Indicate how many electrons must be gained or lost by each of the following atoms to achieve a…

A: Answer - Electron configuration - electronic configuration, also called electronic structure, the…

Q: 10. What is the quantum numbers of the last electron of arsenic and nickel ?

A: quantum numbers  Principal quantum number(n) Azimuthal quantum number(l) Magnetic quantum number(mi)…

Q: What does “electron density in a particular tiny volume of space” mean?

A: In an atom, we can not know precisely where the electron is at any moment, but we can describe where…

Q: Select the correct sequence of the elements Al, K, Mg and N in order of decreasing atomic size.

A: Atomic size increases down the group in periodic table.  Atomic size decreases from left to right in…

Q: Which of the following statements concerning the Pauli exclusion principle is/are CORRECT?   1.…

A: According to Pauli Exclusion Principle,

Q: 7. How many photons of light are emitted when the electrons in a million hydrogen atoms drop from…

A: when an electron jumps from higher energy cell to lower energy cell release energy in the form of…

Q: listed for quantum numbers for each of the electrons oxygen. Create a table with the headings n, l,…

A: Principal quantum number (n) values are 1,2,3,4 .... For given value of n, l has (n-1) values. For…

Q: Arrange the following set of atoms in order of decreasing atomic size: Ge, Pb, Sn Which atom has the…

A: Along the period atomic size decreases, since the number of shells increases and also there is…

Q: The outermost five electrons of an atom are in 2p orbitals. what is its atomic number ?

A: Outermost electron are the last set of electrons in an atom. Since we are dealing with neutral atom…

Q: Which quantum numbers are needed to define the subshell?

A: The quantum numbers are the set numbers that describe a particular electron present within an atom.…

Q: Explain, in terms of electrons, why the radius of a potassium atom is larger than the radius of a…

A: A). When a potassium ion is formed an electron is lost from the K atom, this electron is present in…

Q: In each of the following sets, which atom or ion has the smallest radius? a. H, He b. Cl, In, Se c.…

A: H, He :- In the periodic table, the atomic size decreases from left to right. As He is present on…

Q: What is the principal quantum number?

A: Quantum numbers are set of numbers which are used to describe the position and energy of the…

Q: Atoms of which element, indicated by letter on the periodic table, have the orbital-filling diagram…

A: In periodic table elements are classified into four blocks based on the subshell in which…

Q: Describe then= 4 level in terms of subshells, orbitals and electrons.

A: Describe the n= 4 level in terms of subshell, orbitals and electrons.

Q: On the basis of the Pauli exclusion principle, the structure of the periodic table of the elements…

A: Orbitals are the space around the nucleus where there is a high probability to find an electron. The…

Q: Which electron is, on average, closer to the nucleus: an electron in a 2s orbital or an electron in…

A: When we look at the structure of an atom, it can be said that an atom contains a nucleus at the…

Q: 6. Write the max number of electrons in a. d orbital d sublevel

A: d subshell have 5 orbital. Each orbital can accommodate maximum 2 electron. So 5 orbital can…

Q: Why are atoms usually portrayed as spheres when most orbitals are not spherically shaped?

A: The atoms generally have most of the space occupied with nucleus rather than with orbitals. As the…

Q: Which atom has a larger atomic radius, S or Cl ?Why?

A: Atomic radius may be defined as: -…

Q: Rank the following atoms in order of decreasing size (i.e., largest to smallest): Rb, F, Mg, B, N.

A: Atomic radii reduce across a row and rise  down a column in the periodic table. The biggest atoms…

Q: Type the full electron configuration for Ca: Use the following style to report 1s-2s 2p:

A: “since you have asked multiple subparts question, only one initial subpart will be answered”…

Q: How many electrons in the quantum number of the atom n = 5, l = 2, ml = -1

A:

Q: If an electron from a hydrogen atom drops from n=7 quantum state down to n= 3 state, what named…

A:

Q: 8. A single atom travels at 16% of the speed of light. The de Broglie wavelength of this atom is…

A: Selenium

Q: How are the electron configurations of F, 02, and Na* similar?

A: 1. Fluorine on gain of 1 electron forms F- Electron Configuration of F- F- = [He]  2s2 2p5 2. Oxygen…

Q: Why does atomic size decrease across a period?

A: Given, Atomic size decrease across a period