Arsenic is a toxic solid often used in the past as a component of pesticides. Counting only s & p electrons, how many valence electrons are present in a neutral atom of arsenic?

Q: How many electrons in an atom can have n=2 and ml=-1

A: The question is based on concept of quantum numbers. These are the numbers which describe the…

Q: In the n = 4 principal level, what is the maximum number of electrons that could have m = -1? %3D

A: 2 electrons

Q: Which of the following atoms contains only three valence electrons:Li,B,N,F,Ne?

A: The number of electrons present in the outermost shell of the atom is known as valence electrons.…

Q: How many unpaired electrons do each of the following chemicals have? What are the total charges for…

A: The structure of benzoic acid is given as: There are no unpaired electrons in benzoic acid and the…

Q: [Ne] 3s2 3P3 is a electronic configuration of Select one: O phosphorous O silicon O aluminium…

A: Electronic configuration of Phosphorous (P = 15) is given as follows- 1s2 2s2 2p6 3s2 3p3 or [Ne]…

Q: State whether the firs sentence is true or false and also the second statement. 1. All normal atoms…

A: Electrons, protons and neutrons are the fundamental particles of an atom. The number of electrons in…

Q: Electronic configuration of Magnesium is            Select one: 1s2 2s2 2p6 3s1 3p2         1s2…

A: The element given is magnesium i.e Mg.

Q: Using complete subshell notation (1s2 2s2 2p6, and so forth), predict the electron configurations of…

A: The given element is chromium (Cr): atomic number 24, period number-4, group number -6. Electronic…

Q: Rank the effective nuclear charge Z* experienced by a valence electron in each of these atoms: z*…

A:

Q: Part A:  How many Valence electrons are in Si?   1   2   3   4   5   6   7   8

A: Valence electrons means electron present in outermost orbital. Thus,

Q: How many unpaired electrons are there in each species below? P.     unpaired electrons     P3- has…

A: Given element and ion is P and P3- respectively.

Q: Please help me complete this chart

A: The most stable ion of Ca is Ca2+. The most stable ion of O is O2-.

Q: A neutral atom of Gallium has how many total electrons that can be described as having an ml= +1

A: There are for quantum numbers: Principal quantum number Angular quantum number Magnetic quantum…

Q: Write the complete electronic configuration for the carbon atom.

A:

Q: What is the value for the number of nodes of rank r? a) N b) N/2 c) N/2r d) Nr

A: Each node of rank r is the root of at least 2r subtrees.

Q: 1.)Fill in the blanks. Even though they are in the same family, the calcium atom is much larger…

A: They are in the same family, the calcium atom is much larger than beryllium atom because it has more…

Q: Draw The molecule morphine with different colours for atom types, proper atomic radius , bind angle…

A: The structural formula of a molecule furnishes information about the way of bonding between the…

Q: A Cl-Cl bond requires 58,000J/mol to break. What frequency of light will provide enough energy to…

A: Some amount of energy is always required to break a bond. This energy required to break a bond is…

Q: Also draw the electron figuration chart with pathway. Take 5 elements between 1-36 and draw their…

A:

Q: From the list of atoms and ions given, identify the species that have the same electron…

A: First, writing the electronic configuration of all elements. Then the electronic configuration of…

Q: How many electrons are in the n = 2 shell in a neutral magnesium atom and  How many electrons are in…

A: Calculate number of valence electrons in their respective shells---

Q: The maximum number of electrons that can be present in the 3rd shell is 20. Select one: True False

A: In an atom, the electrons surround the nucleus in different orbitals or energy levels. These…

Q: MCQ 7: Electrons occupy separate orbital within the same sub-shell to reduce A. attraction B.…

A: Electrons having negatively charge .Thus they faces repulsion among them .

Q: Which of the following must gain 2 electrons to achieve a noble gas configuration? Group of answer…

A: The arrangement of electrons in the orbitals of an atom is called the electron configuration of the…

Q: Identify the atom from the choices below that have: four valence electrons and one that has four…

A: Identify the atom from the choices below that have: four valence electrons and one that has four…

Q: Rank the effective nuclear charge Z* experienced by a valence electron in each of these atoms: z*…

A: Effective nuclear charge is defined as the net positive charge experienced by an electron in an atom…

Q: Which of the following elements would you expect to have the SAME LINE SPECTRUM as HYDROGEN? H+,…

A: The element which has the same Line spectrum as Hydrogen is He+.

Q: Part 1: Metal Ion Color/other observations Unknown Ba*2 - barium ion Co - cobalt ion Cu" - copper…

A:

Q: How many electrons does a Co atom have in its 3d subshell? number of electrons: 3d electrons How…

A: (i) The atomic number of Cobalt is  27. The electronic configuration of Co is  1s22s22p63s23p63d74s2…

Q: Note that there is a difference between a pair of electrons (two dots) and a single electron (one…

A: Chlorine (Cl) Atomic no : 17

Q: Please help me complete this

A: The electronic configuration is of the given elements can be given as folows:

Q: ns: Transfer of Electrons Element Atomic # 1. Electron Configuration of Atom 2. Electron- Dot…

A: Given Element Atomic # 1. ElectronConfiguration of Atom 2. Electron- DotSymbol 3. Loss…

Q: How many valence electrons does each of the following atoms have? titanium, ? = 22 iodine, ? = 53…

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

Q: 0²- As3 Be Sc Sr

A: Electronic configuration : The distribution of electrons of an atom or ion in atomic orbitals is…

Q: From the list of atoms and ions given, select all the species that have the same electron…

A: Electronic configuration of an element tells us about how electrons are distributed in its atomic…

Q: 5. Bohr’s theory works well with hydrogen atom. However, the theory failed when atoms with two or…

A: The filling of electrons in the atomic orbitals is defined as an electronic configuration. Electrons…

Q: Determine the number of valence electrons for each of the atoms.  Enter each answer as numeral.…

A: Given:  B  N  Al  Kr

Q: MCQ 152: Electrons needed by a carbon atom to complete its outermost shell are A. 1 В. 2 С.3 D. 4

A: Carbon belongs to the group 6 and period 2 of the periodic table. Every atom requires to complete…

Q: Write the abbreviated electron configura 6. silver 7. lead 8. tin(I) ion

A: Filling  of electrons in atomic orbitals follow certain rules.   one of them is aufbau principle.…

Q: 1.Draw the electronic diagrams for the following compounds (showing outermost shell   electrons…

A: Elements can form bond between them by sharing of their valency electrons. The possible molecule are…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: In the periodic table, on moving from top to bottom size increases due to less nuclear effective…

Q: Look at the relative positions of each pair of atoms listed here in the periodic table. How many…

A: The position of an element in a periodic table can be used to identify the number of electrons…

Q: Chapter 4, Problem 4.24EP Textbook Problem Give the chemical symbol for each of the following ions.…

A: Chlorine : Cl Sulfur : S Potassium : K Beryllium : Be

Q: How many electrons does a Co atom have in its 3d subshell? number of electrons: 3d elec How many of…

A: In this question, we have to tell how many electrons are present in 3d subshell of Cobalt atom and…

Q: 4,What is the total number of valence electrons in the hydrogen phosphate ion? Group of answer…

A:

Q: Which of the following atoms has the least metallic character? Rb Li Na Cs K

A:

Q: elect the following information about the elect eutral element, then add or remove electrons a e…

A: Beryllium, the symbol of beryllium is Be . The atomic no. is 4 in periodic table. Beryllium has two…

Q: A neutral atom has the following electron configuration: 1s What is the chemical symbol for the…

A:

Q: Which one of these ions does not have [Xe] as its electronic configuration? Select one: a. Cs 2+ b.…

A: Xenon (Xe) is a inert gas element that reside in group-18 of the modern periodic table.

Q: How many electrons does an Fe atom have in its 3d subshell? number of electrons: How many of those…

A: In order to calculate the number of electrons present in 3d subshell of Fe atom it is necessary to…