These two atoms are isoelectronic a-) He an d Ne bry Ar and Ca () Ar and Cat? J.) All of them e.) none of thuie

Q: A. If an element with the valence configuration 4s23d7 loses 3 electron(s), these electron(s) would…

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Q: Anomalies to predicted trends in fırst-ionization energy occur around which groups on the periodic…

A: Ionization energy : The minimum amount of energy is required to knock out the most loosely bound…

Q: Which atom has the largest first ionization energy? - Ga - As - N - B

A: Ionization energy is the amount of energy required to discharge an electron from an isolated,…

Q: An element has the following electronic configuration: [Kr]4d105s25p2 (a) What period does it belong…

A: An element has the following electronic configuration: [Kr]4d105s25p2

Q: The charges of a set of isoelectronic ions vary from 31 to 32. Place the ions in order of increasing…

A: Solution- Isoelectronic species can be defined as species having the same number of electrons. We…

Q: 7.36 Which is the largest atom in the third period of the periodic table?

A: In periodic table, there are total 7 periods (along horizontally), 18 groups (along vertically), and…

Q: A monatomic ion with a charge of +1 has an electronic configuration of 1s²2s²2p⁶3s²3p⁶ What is the…

A: Given configuration of ion--- 1s² 2s² 2p⁶ 3s² 3p⁶

Q: a. What is the chemical formula for enflurane? b. Which element in enflurane has valence electrons…

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Q: in general ionization energies Es) increase from left to right in the p Boron P there is a decrease…

A: To give the best explanation for the observation: In general, ionization energies (IEs) increase…

Q: e smallest atomic radius?

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Q: An element with the valence electron configuration 4s2 would form a monatomic ion with a charge of…

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: Explain the organization of an atom of carbon.

A: The protons, neutrons, and electrons are the salient features of an atom. The protons present in the…

Q: The first ionization enthalpy for Li is 520 kJ mol^-1. This value corresponds to complete removal of…

A: Given - first Ionization energy of Li = 520 KJ/ mol To find - effective nuclear charge felt by 2s…

Q: 3) Which of the following is isoelectronic with Mg? Ar, K*, S² or Ne s2-

A: The ions or atoms which possess the identical electron configuration are termed as isoelectronic…

Q: In the periodic table of theelements, elements in a single column have the samenumber of electrons…

A: In the periodic table, the number directly below each element is its atomic number. The number above…

Q: Tellurium can form an anion with a 2- charge. What natural element would be isoelectronic to this…

A: electronic configuration of Tellurium is                             [Kr] 4d10 5s2 5p4  thus it…

Q: give some similarities that exist among the elements of the group 1

A: Group 1 in periodic table consists of following elements H Li Na K Rb Cs Fr

Q: Which Group would this element NOT fit into?

A: 1. Group 1 elements are called alkali metals, Group 4 consist of transition metals like Titanium,…

Q: Which of the se pairs of elements would be most likely to fom an jonic compond a:) P and Br b.) Cu…

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Q: What is the maximum number of electrons in an atom that can ha antum numbers? (i) n= 3, { = 2, m =…

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

Q: 6. What do we mean when we say that two ions or an atom and an ion are isoelectronic?

A: Isoelectronic species are referred as an elements or ions that have the same number of electrons…

Q: Use coulomb’slaw to explain why each successive ionization energy increasesin value for any element,…

A: The magnitude of successive ionisation energies for an element is increases because there are fewer…

Q: Which has higher ionization energy: IE1 or IE2 of sodium? Why? Ans: Snonaupiinoo notoale a noi orh…

A: 1) Highest ionization energy of Sodium among IE1 and IE2: Ionization energy: The total amount of…

Q: A certain atom has a [noble gas]5s24d105p4 electron configuration. Which element is it? A)Hg B)Sm…

A: As we know that the electrons are arranged according to their energy levels around the nucleus. And…

Q: A monatomic ion with a charge of +1 has an electronic configuration of 1s²2s²2p°3s²3p°. This ion is…

A: A monoatomic ion with a charge of +1 has an electronic configuration of 1s22s22p63s23p6.

Q: 2. Write electron configurations for the following elements: a. Carbon b. Neon c. Sulfur d. Copper…

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Q: According to Coulomb's Law... O The energy between two oppositely charged particles decreases as the…

A: Coulomb's law states that the force of attraction or repulsion between two charged particles is…

Q: In the table below, I1 – I6 represent first 6 ionization energies of a certain element. All units…

A: The minimum amount of energy required to remove the loosely bound electron from an isolated gaseous…

Q: Q1 a) Write the electronic configuration of an ion formed by an element of group1A and period 6. (2…

A: [a.] An element of group 1A and period 6  = Cs ( Caesium) Ion formed by Cs = Cs+ (Caesium ion)  So,…

Q: Atoms whose outer electron shells contain eight ele ons tend

A: Electrons are filled in the atomic orbitals of the atoms as per the rules provided by Aufbou…

Q: Sort these species into isoelectronic groups. It doesn't matter which group goes in which box, so…

A: The following species are sorted into isoelectronic groups. He, Li+, O2-, Sr2+, Br-, F-, B3+,Y3+,…

Q: Which of these is an isoelectronic series? ON, K, Rb, Cs OK, C Ar, S O Na Mg", s, Cr Li, Be, B, C…

A: Isoelectronic species are the elements or ions having the same number of electrons that is the…

Q: Na+, Ne, O2-, Mg2+, F- Which isthe smallest in size? Which has the lowest ionization energy?

A: Electronic configuration of the given ions/elements is as follows. Na+  =1s22s22p6Ne…

Q: According to Coulomb’s law, if the separation between two particles of the same charge is doubled,…

A: Coulomb's law states that the potential energy (E) of two charged particles is dependent on their…

Q: Which of the following pairs of elements would you expect to have the most similar atomic radii? O…

A: Atomic Radius - It is basically a measure of the size of an atom. It measures from the nucleus to…

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

A: Electron configuration of Magnesium:

Q: In what general direction(s) of the Periodic Table does atomic radius increase? Choose as ma answers…

A: Atomic radius of element is the measure of size of element.

Q: Which neutral atom is isoelectronic with O*? neutral atom: || Ca Incorrect

A: The species having same number of electrons are termed as isoelectronic species.

Q: what are isoelectronic species? give examples.

A: Atoms and ions that have same number of electrons that is same electron configuration are said to be…

Q: Moseley’s experiments on X rays emitted from atoms led tothe concept of atomic numbers. (a) If…

A: a.  Now to see which element is placed next to chlorine in the order of increasign atomic mass we…

Q: Consider the elements selenium (Se) and bromine (Br). Whichhas the higher first ionization energy?…

A: From the given two elements which has higher first ionization energy and higher electron affinity…

Q: :Consider the following atoms I, S, O, N, P and Cl ?What is the effective nuclear charge for each…

A: For I= +7 For S= 5.45 For O= 4.55

Q: Consider generic atoms A, Be C. It is known that the mass number of A is equal to 101, the mass…

A: The atoms which have the same number of the proton but the neutron number is different is called…

Q: 4. What does isoelectronic mean? Provide an example.

A: The outer shell electrons of an atom is called the valence shell electrons for that atom.   These…

Q: 23.) How does the electron configuration of polonium (Po) end (i.e., what are its valence…

A: The question is based on the concept of electronic configuration. we have to write valence shell…

Q: A. An element with the valence electron configuration 5s' would form a monatomic ion with a charge…

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Q: Which one is true about filling of shells with electrons around the nucleus? O The shell with n = 2…

A: A shell in an atom is defined as a group of atomic orbitals around the atomic nucleus.  Each shell…

Q: Which of the following elements is easiest to ionize (has the least ioniza energy)? F- Ne Na+ Mg2+…

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