Two elements that have the same ground-state valence shell configuration of ns 2 np 2 are   a. Al and Ga.   b. K and Mg.   c. O and Se.   d. Mg and Ca.   e. Ge and Pb.

Q: Determine the type of orbitals (atomic, sp³, or sp2) used by atoms with number 1, 2 and 3 in the…

A: The given molecule is shown by bond line notation.

Q: Which element has the greatest first ionization energy? A. C B. B C. N

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Q: The halogens have .......(number of) electrons in their valence shell. Select one: a. 2 Ob. 8 O c. 5…

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Q: Write the electron configuration for each ion. a. CI b. p3- с. К* d. Mo+ e. V3+

A: Given a. Cl-     b. P3-    c. K+     d. Mo3+     e.V3+   To find: find the electron configuration…

Q: Which element below has the largest first ionization energy, greater than any other element?   A.H…

A: Ionization energy is defined as the minimum amount of energy that is required to remove an electron…

Q: Of the elements: B, C, F, Li, and Na. The element with the smallest ionization energy is F. Li. Na.…

A: Ionization energy : " The minimum amount of energy required to remove an electron from outermost…

Q: stion below may be correct for the fluorine atom. b. 1s C. 2s (11) (ID) next page. 2p DOO (11) DO…

A: Electronic configuration tells the arrangement of electron in shell and sub-shell. It tells the…

Q: Q14. Ionization energy is a measure of? A. The energy needed to remove an electron from a gaseous…

A: The energy required to removing the most loosely bound electron ( that is outermost electron) from…

Q: 4. Write the (ground state) electronic configuration for each of the following. a. antimony b. lead…

A: we have to determine the electron configuration of the given atoms and ions

Q: Which of the following pairs are NOT isoelectronic?   a. F- and Mg2+   b. Cl- and Ca2+   c.…

A: Isoelectronic species have the same number of electrons, and in questions we have to tell that which…

Q: 12. Determine the number of unpaired electrons in the following atoms or ions. а. Al b. С с. d. Mg…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Which pair of elements have the same number of valence electrons? A. O, Si B. He, Be C. Ne, Mg…

A: We have to find from the given options which pair of elements have the same number of valence…

Q: If we have an oxygen atom, it will typically form a... I.-1 ion II.-2 ion Because III. It has six…

A: The electron configuration of oxygen is:[He] 2s2 2p4

Q: Which of the following statements are true?  A. An atome of beryllium will have a longer atomic…

A: There are several properties of the elements present in the periodic table which show a periodic…

Q: hich of the following ionic compounds is most cely to have the lowest melting point based on…

A: The question is based on the concept of melting point.   the temperature at which a solid starts…

Q: How many valence electrons are in each element?  A. Ba  B. Al  C. Xe

A: To find the valence electrons of some the given elements. A) Ba B) Al C) Xe

Q: 4. Period 3, Group 2A 1. EC: 2. OD: 3. LDS: 4. QN: 5. Period 4, Group 5A 1. EC: 2. OD: 3. LDS: 4.…

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Q: 017. There are A. 4.2 ------ o and 7 bonds in the H₂C-C-CH2 molecule. C. 2, 2 B. 6, 2 D. 2.6

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Q: Following successive ionization energies (IE in kJ/mol) are characteristic for which one of the…

A: The ionization energy of an atom or molecule is defined as the amount of energy required to remove…

Q: Q16. Calculate 56.21 x 9.2057 using significant number rules.

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: Write the electron configurations for the following atoms/ions:        i.          Ca. =…

A: Write the electron configurations for the following atoms/ions:

Q: 9. Rearrange the following elements in order of increasing ionization energy and explain using…

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Q: Consider the element A, with atomic number 34. The electronic configuration of A2- is:   a. [Xe]…

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Q: Q6. Which of the elements listed has 5 unpaired electron(s)?   A. Mn B. S C. Na

A: The atomic number of Xenon is 54. Xenon is a noble gas element, it doesn't lose any electron or…

Q: Which is the valence shell of K+ ion?   a. L b. M c. K d.

A: Valence shell means the outermost shell.

Q: U a Od b Which of the following electron arrangements is not allowed based on Hund's Rule? A. 2p…

A: Hund's rule : According to this rule , every orbital in a subshell is first singly occupied with one…

Q: 15. Using Slater's Rules, determine the Z* for a. a 3p electron in P, S, CI, and Ar. b. a 2p…

A: 1) 3p Electron in P, S, Cl, and Ar 2) 2P electrons in  3) Cu (29 electrons) has the electronic…

Q: MCQ 101: In the Period table, the elements with 2 electrons in the outermost principal quantum shell…

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Q: 3) Write the electron configurations for the following atoms/ions. Atom/lon Electron Configuration…

A: Atom /Ion Electron configuration P 1s22s22p63s23p3 Cu 1s22s22p63s23p64s23d9 Sn 1s 22s 22p 63s…

Q: 6. Write the full electronic configuration for the following atoms/ions. a. Strontium (Sr) b.…

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Q: Q13. The energy (J) change associated with an electron transition from n = 2 to n = 5 in a H atom…

A: The energy associated with an electron transition from n =2 to n=5 in a hydrogen atom is

Q: U. IImCorrect Hund's Rule d. incorrect, Pauli Exclusion Principle 6. The following element(s) will…

A: Since you have posted multiple questions, we are entitled to answer the first question only.

Q: 12. Why does Li have a larger first ionization energy than Na? OA. Because Li has only 3 electrons…

A: Lithium has 3 protons, compared to 11 in Sodium. You would have thought that the electrostatic…

Q: Element whose third shell contains six electrons a. 1s2 2s2 2p6 3s2 3p5 b. 1s2 2s2 2p6 3s2 3p6 c.…

A: Electronic configuration of an element depicts the filling of its electrons in various shells,…

Q: a. H, O, CI b. Al, O, Na

A: The objective of the question is to order the set of atoms from the most electronegative electron…

Q: 30. Arrange the following elements in order of increasing ionization energy. a. Na, Al, S 31. Which…

A: On moving from left to right across the period the atomic radius decreases it is because in period…

Q: Which is the valence shell of AI+3 ion? O A. N B. L C.M D. K

A: The atomic number of aluminium is 13. The atom of aluminium contains 13 protons and 13 electrons.

Q: what is the zeff for the outermost valence electrons in S A. +6 B. +7 C. +8 D. +10

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

Q: 3. Select the CORRECT electron configuration for molybdenum atom. A. [Kr] 5s+4d5 B. [Kr] 5s²4d4 C.…

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Q: iyg

A: Step 1:  Step 2: Step 3: Step 4:

Q: Which one of these ions has the largest radius? Select one: 2- a. S b. Na C. K d. CE 2- e. O

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Q: Consider these elements: P, Ca, Si, S, Ga.a. Write the electron configuration for each element.b.…

A: SOLUTION: Step 1: Hello. Since the question has multiple Sub-parts, the first three are solved. In…

Q: Q15. The electronic configuration for Cr¹3 is? A. [Ar]3d³ B. [Ar]4s23d¹ C. [Ar]3d4 D. [Ar]4s¹3d²

A: Atomic number of chromium atom (Cr) is 24. So , no. of electrons present in chromium atom (Cr) are…

Q: Zn(s) + 2 HCl(aq) → ZnCl,(aq) + H, (g) How many milliliters of 6.50 M HCI(aq) are required to react…

A: Given :-  Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g)  molarity of HCl solution = 6.50 M or 6.50 mol/L…

Q: Which statements are true about the isolated, single p orbital shown below? 8 I. It can hold up to…

A: 1. Orbital is the region where probability of finding electron is maximum. 2. Various orbital are s…

Q: 1. What are the possible sets of quantum numbers that can describe a 2p electron in an atom?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: number

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