1. What is the cause of the atomic emission spectrum of an element?

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: Use the periodic table and determine the shorthand electron configuration of each of the following…

A: To find the short hand electron configuration of the following atoms: Zr Br K

Q: Explain how an emission spectrum is produced.

A: The lowest energy state of an atom is known as its ground state while the higher energy states are…

Q: The line emission spectrum of an element is proof that electrons, A Are in quantized energy levels B…

A: Line emission spectrum :- The spectrum produced when electron in an excited sample is returned to…

Q: Discuss the current view of the correctness of the following statements. (a) The electron in the…

A: To find: The correctness of the given statements

Q: 6.99 Discuss the current view of the correctness of the following statements. (a) The electron in…

A: To find: The correctness of the given statements

Q: Write the short hand (condensed) Electron configuration’s for the following elements: A.) N B.) K…

A: given elements are N, K, Ge and S  We have to write electrons configurations for them. Number of…

Q: 1. Define the following terms and give an example of each: transition metals, lanthanides,…

A: Transition metals = Transition metals are the elements which has partially filled d orbitals.…

Q: Give the complete electron configuration for the following elements: A.) F B.) Mg C.) Se D.) Ti

A: given elements F, Mg , Se and Ti  We have write electron configurations for them. Number of…

Q: (1) What is the complete ground state electron configuration for the helium atom?   (2) What is…

A: 1) Since the atomic number of Helium atom is 2 Hence the  complete ground state electron…

Q: Identify the correct ranking of effective nuclear charge between N,O, and C? Why is that?

A: The effective nuclear charge is the net positive charge experienced by an electron in a…

Q: Write the orbital diagram and electronic configuration for the following atoms: a. Be b. Ca si C.

A: a) Since the atomic number of Be is 4 Hence the electronic configuration of 94Be is = 1s2 2s2  and…

Q: 2. Identify any 5 elements in Group 2A and determine the electron configuration of 5 elements with…

A: For any element Atomic number = number of electrons = Number of protons  Mass number = Number of…

Q: 2. Explain how light is emitted when an element gets excited.

A: 2. Light can be absorbed and emitted by atoms and molecules, which can tell us how many different…

Q: An element that is commonly used in solar cells and other photovoltaic devices is reflect by the…

A:

Q: 2. Calculate the energy associated with the light emitted by Rubidium and Cesium

A:

Q: Which statement about electromagnetic radiation is false? a) As frequency increases, wavelength…

A: Here, we have to find the statement that is false about electromagnetic radiation.

Q: 6.90 Define the following terms and give an example of each: lanthanides, actinides.

A: The given terms lanthanides and actinides has to be defined.

Q: How many d electrons are in a ground state Mn atom? A) 2 B) 3 C) 4 D) 5 E) 7

A: An atom consists of electrons, protons and neutrons. Protons and neutrons are the part of nucleus,…

Q: How many unpaired electrons are contained in each element: (a) Al; (b) P; (c) Na?

A: The number of unpaired electrons present in given elements has to be determined.

Q: Identify the element with ground state electron configuration :[Kr] 5s2 4d10 5p4 * In O cd О е O Sn…

A: The electrons in every element's atom are arranged in a manner in various orbitals. Each orbital can…

Q: (c) Is an isolated arsenic atom in the ground state paramagnetic or diamagnetic? Explain briefly.…

A: c)  The atomic number of As is 33 . Its electronic configuration in ground state is [Ar]3d104s24p3 .…

Q: Explain how astronomers are able to tell which elements are present in distant stars by analyzing…

A: Astronomers are able to tell which elements are present in distant stars by analyzing the…

Q: What does it mean for the energy levels in an atom to be quantized? Describe how this affects where…

A: When the energy levels in an atom is quantized that means energy is in certain discrete values.

Q: What is an emission line spectrum?     A.a visual representation of the range of energy emitted by…

A: The spectra that deal with a chemical molecule are of two types: Absorption spectrum and emission…

Q: 2.12 (a) What electron subshell is being filled for the rare earth series of elements on the peri-…

A: A sub-shell is a collection of orbitals. Sub-shells come in a variety of shapes and sizes, including…

Q: Write complete electron configuration for atoms whose electron configuration end as follows.  a.…

A:

Q: 1. How can you describe the energy states of an electron? (explain in terms of quantum numbers

A: An electron if present in the lowest possible energy level, that state is called ground state. If…

Q: (1) What is the complete ground state electron configuration for the arsenic atom? (2) What is…

A: The electronic configuration can be defined as the distribution of electrons of atoms in atomic…

Q: Based on the Bohr model of the atom, if an electron underwent a change from n 2 to n 3, would the…

A: Electron is undergoing a change from n= 2 to n = 3

Q: 4. Use short notation to write the electron configuration of: A) Se B) Te-2

A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the…

Q: Briefly explain how and why the spectrum associated with a particular element contains discrete…

A:

Q: 3) Write the full electron configuration for the following elements: a. Mg = b. Al = C. P = d. Fe =

A: Electronic configuration: It is defined as the distribution of electrons present in the atom over…

Q: Write the complete set of quantum numbers that represent the valence electron for the following…

A: Quantum numbers Each electron in an atom is given a specific value. Quantum numbers are the names…

Q: An element X has 16 protons (p+1); 16 electrons (e-1) and 16 neutrons (n0). a) Write the ground…

A:

Q: Calculate the energy associated with the light emitted by each of the elements above. Rb+ Cs+

A: FInd: energy associated with the light emitted by each of the elements ?

Q: The complete photoelectron spectrum for an element is shown above. Which of the following…

A: photo electron spectroscopy  is technique used to measure the the relative energy of electron…

Q: Shown below is a representation of part of an orbital energy diagram (using parentheses and arrows…

A: n= principal quantum number denotes size of shell l= azimuthal quantum number denotes no of subshell…

Q: an eletron in a hydrogen atom transitions  from the 2 to the 8 energy levels. what wavelength in nm…

A:

Q: Please answer #1 and #2

A: Hello. Since you have posted multiple questions and specified two question needs to be solved, we…

Q: What minimum frequency of light is required to ionize lithium?

A:

Q: What would we need to be able to observe all the possible wavelengths in the hydrogen spectrum?

A: Hydrogen is an element having atomic number 1 and symbol H.

Q: Write the complete ground-state electron configuration of Si.

A:

Q: Define the following terms and give an example of each: lanthanides, actinides.

A: The given terms lanthanides and actinides has to be defined.

Q: What does the magnetic quantum number, ml, describe?        (a)  the orientation in space of the…

A: Four quantum numbers are: 1. Principal quantum number (n): It identifies the shell of the electron.…

Q: Please recheck and present in clear scanned handwriting or computerized output thank you Provide…

A: the answer is below

Q: Provide the orbital diagram and electron configuration for each element:  -- K -- Rb -- Cs -- Fr…

A: Provide the orbital diagram and electron configuration for each element:

Q: rbonate is used in fireworks to colour the flames red. (a) The red colour comes from lines of…

A: alkali and alkaline earth metals belong to the first and second groups of the periodic table…

Q: Write the complete ground-state electron configuration of the atom/ion listed below. а. Р b. Сa С.…

A: The element Tn do not correspond to any element in the periodic table and the configuration cannot…