Write orbital diagrams for the valence electrons and indicate the number of unpaired electrons for each element.(a) Ne (b) I (c) Sr (d) Ge

Q: Given the valence electron orbital level diagram and the de- scription, identify the element or ion.…

A:

Q: Which element has a neon core and five valence electrons in its ground state electron configuration?

A: The electrons that are present in the shell of noble gases are 2,10, 18, 36, 54 and 86 for He, Ne,…

Q: Can you determine which of two unknown elements has the larger radius ifthe only known information…

A: From left to right across a period in the periodic table, the atomic radius generally decreases.…

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: ment has the electron configuration 1.

A: The electronic configuration denote stage distribution of electrons in different subshells of an…

Q: An element that has the valence electron configuration 3s1 belongs to which period and group?…

A: Given that the valence electron configuration is : 3s1 Thus, from the valence electron configuration…

Q: Write full orbital diagrams and indicate the number of unpaired electrons for each element.(a) He…

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

A: The periodic variations in atomic size for neutral atoms can always be stated as follows: As moving…

Q: For the following categories of elements, state the possiblenumber(s) of electrons in their…

A: The electron configuration of an element describes how electrons are distributed in its atomic…

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: 6.92 Write the electron configuration of a xenon core.

A: Electronic configuration: It designate the distribution of electron of molecule or an atom in a…

Q: Write the electronic configuration of the element of atomic number 12, and sketch a labelled energy…

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Q: Write the full orbital diagram for element. F

A:

Q: 7.17 A neutral atom of a certain element has 34 electrons. Consulting only the periodic table,…

A: Every atom has a nucleus, the nucleus is a heavy portion in the centre of an atom consisting of…

Q: 7.45 In general, the first ionization energy increases from left to right across a given period.…

A: Magnesium and aluminum lies in the same period - 3 but in different groups. Magnesium is the block…

Q: e smallest atomic radius?

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Q: In what region of the periodic table will you find elements with relatively high IEs? With…

A: IE here refers to the ionization energy of an atom. It is the energy required by an isolated atom to…

Q: Predict the trends in ionization energy as successive electrons are removed, including the…

A: Ionization energy is defined as the energy required to remove the electrons from the valence shell…

Q: Ionization energies are always negative quantities. True or false?

A: ANSWER IS DISCUSSED BELOW :

Q: Which of the subshell designations are possible and which are impossible?

A: According to quantum mechanics, there are four types of quantum numbers. The electrons are filled in…

Q: Are nonmetals to the left or right of the metalloids?

A: The metals are left to the line (except of Hydrogen which is a non metal),non metal is right to the…

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: 7.89 Which of the following properties show a clear periodicvariation: (a) first ionization energy,…

A: Let us analyse all the properties one by one. Ionisation  energy is  the minimum quantity of energy…

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: Write the full orbital diagram for element. S

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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: Identify the element with the following orbital notation. NNNII 1s 2s 2p

A: Identify the element with the following orbital notation ?

Q: Write the electron configuration of a xenon core.

A: The element given is Xenon.

Q: What is the complete electron configuration for Te?

A: The answer to the following question is given as:

Q: 21. Why do elements that have high ionization energies also have more positive electron affinities?…

A: Ionization energy is the minimum energy required to take out a valence electron(s) from an atom in…

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: 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: The atomic number of an element is 73. Is this element diamagnetic or paramagnetic?

A: Whenever two electrons are paired together in an orbital, or their total spin is 0, they are…

Q: Given the following successive ionization energies, predict which element they correspond to.…

A: Ionisation energy is the minimum amount of energy required to remove the most loosely bound electron…

Q: (2) The element with an electron configuration of 1s22s22p63s2 is in group ______and period ____.

A: Electron configuration of Magnesium:

Q: Write an electron configuration for selenium and identify the valence electronsand the core…

A: The electron present in outermost shell are called as valence electrons and remaining electron are…

Q: The ionization energies of the first 4 electrons of an element are: 570, 1825, 2800 and 11700kJ/mol…

A: Ionisation energy is the minimum amount of energy required to remove the most loosely bound electron…

Q: State the Aufbau principle, and explain the role it plays in classifying the elements in the…

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

A: Atomic radius may be defined as: -…

Q: How many unpaired electrons are present in an atom with 32 electrons?

A: Unpaired electron means electron that is not paired in the orbital.

Q: Nitrogen has a greater first ionization energy than phosphorus. What is the best evidence to support…

A: Nitrogen has atomic number 7 and that of phosphorus is 15   N7 - 1s22s22p3 P15 - 1s22s22p63s23p3 As…

Q: Which atom would be expected to have a half-filled 6p subshell?

A: A p-subshell consists three orbitals in which total of three electrons can be filled. So, when six…

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: write the electron configuration (complete and shorthand) and draw the orbital diagram of the…

A:

Q: Predict the atomic number of the (as yet undiscovered) element in the seventh period that is a…

A: The atomic number of the element ( as yet undiscovered) in the seventh period of the halogen has to…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.