I need to be able to know  whether the elements in groups 1A and 2A gain or lose electrons to achieve noble gas configuration.  I know that they lose electrons but I don't really understand why.

Q: Write the condensed (noble-gas) electron configuration of barium.

A: Electronic configuration refers to the systematic arrangement of electrons in the various shells and…

Q: Using the Bohr model, determine the energy in joules of the photon produced when an electron in a…

A: The energy of the photon produced during a transition from higher level to lower level is given by…

Q: Which rule or principle does the following orbital diagram violate? Why?

A: In the orbital diagram, electrons are filled in two different energy orbitals. So, it must follows…

Q: What is the major role of Ionic Size?

A: Ionic bond: Chemical bond formed between two elements by electron loss and gaining process in order…

Q: What is the maximum number of electrons that can have the following set of quantum numbers? n = 2, l…

A: This value of n= 2 can have the following values for the orbital angular momentum quantum number l.…

Q: Write electron configurations for each of the following atoms or ions. (Express your answer as a…

A: Answer is given below

Q: Give all possible ml values for orbitals that have each of the following: (a) l = 2; (b) n = 1; (c)…

A: (a) l = 2 ml = -2 , -1 , 0 , +1 , +2  (b) n = 1  l = 0 ml =  0  (c) n = 4, l = 3 ml = -3, -2 , -1 ,…

Q: how many orbitals have the values n=4 l=2 and ml=-2

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Q: Write the complete ground-state electron configuration of

A: S2- Atomic number of S = 16 ->S2- means 2 electrons are added in S.

Q: What are the rules that the Aufbau principle states for filling the orbitals with electrons?

A: Aufbau principles basically depict order in which electrons are needed to be filled in atomic…

Q: Determine the number of valence electrons and give the electronic confi guration of the valence…

A: The number of valence electrons and electronic configuration of elements has to be given.

Q: Which of the following excited state electron configurations of N would require the shortest…

A: Answer - The correct option is (a) 1s^2 2s^2 2p^2 3s^1 electron is excited from 2p to 3s

Q: How does the effective nuclear charge experienced by the valence electrons of an atom vary going…

A: Going from left to right in a period, effective nuclear charge (Zeff) approaches to Z. That means…

Q: Give all possible ml values for orbitals that have each of the following: (a) l  3; (b) n = 2; (c)…

A: Principle quantum number represents the shell in which an electron is present. It is represented by…

Q: An orbital in a ground-state gas-phase As atoms has n=3, l=1. How many electrons are in this…

A: The electronic configuration is shown below: As-1s22s22p23s23p63d104s24p3

Q: Sketch the electron level n=1 through n=5. Of hydrogen atom

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Q: Which of the following is hydrogen like atom (to which Bohr's model could be applied? * A. N5+ B.…

A:

Q: What is an orbital wave function and how is it a valid representation of electrons in atoms and…

A:

Q: Ionization energy tends to increase from left to right on the periodic table. There are two…

A: In an atomic model with a single electron (Bohr model), the electron strength depends only on the…

Q: How many orbitals in an atom could have these sets of quantum numbers? n = 1 n = 4, t = 2 n = 6,t =…

A: There are four sets of quantum numbers :-  n (principal quantum number) l (azimuthal quantum number)…

Q: The Bohr model states that electrons in the n = 1 electronic shell have lower energy than electrons…

A: As we know bohr model states for first shell electron is closest to nucleus and its energy is fixed.…

Q: Which of the following statements is true? Bohr's model confirmed the existence of orbitals. O It is…

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Q: 18 Why did the scientist have to come up with a different atomic model after Bohr? a.    Bohr could…

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Q: ) Why do successive ionization energies increase? B.) Define electron affinity and electron…

A: A) Ionization energy  : The ionization energy of a chemical species (i.e., an atom or molecule) is…

Q: Use electron configuration to explain why arsenic can acquire charges of 3- and 3+ but not 2+.

A: Answer:- This question is answered by using the simple concept of writing the electronic…

Q: Which of the following quantum number in a molecule is analogous to m, in an atom? (A) N (В) Л (С) E…

A: Spin quantum number represents the spin of an electron. It is represented by ms. It can have values…

Q: In my chemistry class we are doing Electron configurations  I understand the complete notation, I…

A: Given,The given electronic configuration is 1s22s22p63s23p64s23d6

Q: How many orbitals exist when n=-2?

A: Orbits: Electrons travels in a circular path around the nucleus. These circular paths are known as…

Q: What is a hydrogen-like atom, and how are the energies  and radii of its electron orbits related to…

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Q: Write out the full electron configuration of K+

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Q: 1. Explain the different principles involved in a distribution in the orbitals?

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Q: 3b. Despite these odd shapes, all atoms are completely spherical. Briefly explain why. 3c. The…

A: Atoms consist of electrons, protons and neutrons. In which the electrons are distributed in the…

Q: Write the noble gas electron configuration for the element Antimony (Sb)?

A: A noble gas configuration of an atom consists of the elemental symbol of the last noble gas prior to…

Q: Describe Niels Bohr's model of the structure of the hydrogen atom. More than one selection may be…

A: The Bhor model of an atom can be described as follows:

Q: Write the complete electron configuration for F. Quantity of electrons enclose in brackets (for…

A:

Q: Write the ground state electron configuration for SF6.

A:

Q: How many electrons can occupy subshells with l = 3?

A: Welcome to bartleby !

Q: Give the name of the rule that is being broken in the orbital diagram below. In words, explain how…

A:

Q: An atom of sodium has the electron configuration [Ne]6s1.Explain how this is possible

A: Electronic configuration could be defined as distribution of electrons in molecule (or) atom in…

Q: In what shell do the valence electrons reside for an element in period: (a) 2; (b) 3; (c) 4; (d) 5?

A: To find: The shell in which valence electrons reside for an element in period. 2 3 4 5

Q: Write the expected electron configurations for the following atoms: As, Y, Tl, Pb, Cf

A: Given : As, Y , Tl , Pb , Cf To find : Expected electronic configuration of given elements Solution…

Q: How Many electrons full 3p orbital? And why

A: How Many electrons full 3p orbital?

Q: How many orbitals are present if n=3 at sublevel d?

A:

Q: Models of atom (i) similarities and differences between Rutherford and Bohr (ii) similarities and…

A: Rutherford model: In this model, the scientist Rutherford discovered that there is empty space in…

Q: How many electrons in an atom can have the following quantum numbers? n = 4, { = 2

A: Given quantum numbers,         n = 4 and l = 2