Chemistry College

Sulfur has 6 valence electrons.
Which element could pair with it
in a 1 atom : 1 sulfur ratio?

Answers

Answer 1

Answer:

Any Group 2A element (Be, Mg, Ca, Sr, Ba, Ra)

Explanation:

According to the Octet Rule, Sulfur would want to gain two electrons in its outermost shell to achieve an octet (8 total electrons).  The elements that could accomplish this in a one-to-one ratio would be Group 2A on the periodic table (alkaline earth metals).

Answer 2

There are two types of chemical compound one is covalent compound and other is ionic compound, covalent compound formed by sharing of electron and ionic compound formed by complete transfer of electron. Therefore, alkaline earth metals are the suitable elements.

What is chemical Compound?

Chemical Compound is a combination of molecule, Molecule forms by combination of element and element forms by combination of atoms in fixed proportion.

An ionic compound is a metal and nonmetal combined compound. Ionic compound are very hard. They have high melting and boiling point because of strong ion bond.

The compound that is ionic in nature can be dissociated very easily in water. Since ionic compounds are polar in nature, they readily dissolve in water.  The elements that could accomplish this in a one-to-one ratio would be  alkaline earth metals

Therefore, alkaline earth metals are the suitable elements.

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Related Questions

The electron configuration of a Ti atom is A) [Ne]3s23d2. B) [Ne] 3s24d2 C) [Ar]4s 3d2 D) [Ar]4s24d2 E) [Ar]3d 2. The electron configuration of an Fe2ion is A) [Arj4s24d. B) [Ar]4s23d6. C) Ar]3d. D) [Ar]3d5. E) Ar]3d 3. The total number of electrons in the 3d orbitals of a copper atom is A) 6 B) 7 C)8 D) 9 E) 10 4. How would you expect the molecule 1,10-phenanthroline (shown below) to functi a ligand? C-C ?-? H-C C-C C-H CEN A) It would be expected to be a monodentate ligand. B) It would be expected to be a bidentate ligand. C) It would be expected to be a tridentate ligand. D) It would be expected to be a tetradentate ligand E) It would not be expected to function as a ligand. 5. In the complex ion (Co(en)2Bralt, the oxidation number of Co is 6. Give the coordination number (C.N.) and oxidation number (O.N.) of the meta in the coordination compound ICr(NHs)len )Cla]. C) CN. = 5; O.N. = +2.

Answers

The electronic configuration of Ti is d)[Ne]3d²4s². The electronic configuration of Fe2+ is b)[Ar]4s²3d⁶. The total number of electrons in the 3d orbitals of Copper is E)10. The molecule 1-10phenanthroline is b)bidentate ligand and coordination number and oxidation number of (Cr(NH₃)₂(en)Cl₂ is E) CN = 6; ON = +2

A) The electron configuration of a Ti atom is d) [Ne]3d²4s².

This is the correct answer because Titanium (Ti) is a transition metal with atomic number 22. Therefore, it has 22 electrons with the following configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d² 4s².

B) The electron configuration of a Fe2+ ion is b) [Ar]4s²3d⁶.

This is the correct answer because Iron (Fe) is a transition metal with atomic number 26. Therefore, it has 26 electrons with the following configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁶ 4s². When it forms a Fe²⁺ ion, it loses two electrons from the 4s orbital, leaving [Ar]4s²3d⁶ as the electron configuration.

C) The total number of electrons in the 3d orbitals of a copper atom is E) 10.

This is the correct answer because Copper (Cu) is a transition metal with atomic number 29. Therefore, it has 29 electrons with the following configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s¹. Therefore, the total number of electrons in the 3d orbitals is 10.

D) b) It would be expected to be a bidentate ligand. This is the correct answer because 1,10-phenanthroline is a bidentate ligand, meaning it can bind to two electron-rich sites at the same time. It binds to the metal center through its nitrogen atom and an oxygen atom. Therefore, it is expected to be a bidentate ligand.

E) In the complex ion (Cr(NH₃)₂(en)Cl₂, the oxidation number of Co is +2 and the coordination number is 6. Hence the correct option is E).

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Answer: B. [Ar] 4s23d2

Explanation:

A.[Ar]4s23p2

B.[Ar]4s23d2

C.[Ar]4s24d2

D.[Ar]4s24p2

Question 32 of 43
Indicate the electron pair geometry and the molecular geometry for each of the six compounds

Answers

1) Electron pair geometry - tetrahedral

Molecular geometry - bent

2) Electron pair geometry - tetrahedral

Molecular geometry - bent

3) Electron pair geometry - tetrahedral

Molecular geometry - linear

4) Electron pair geometry - tetrahedral

Molecular geometry -  trigonal bipyramidal

5)  Electron pair geometry - trigonal planar

Molecular geometry -  trigonal planar

What is the electron pair geometry?

We know that a compound would have its structure based on the number of electrons pairs that can be found on the valence shell of the atom. According to the valence shell electron pair repulsion theory, the electron pairs that surround the valence shell would be the major determinant of the structure of the compound.

We also have to recall that the number of the lone pairs and the bond pairs in the compound are also a key as we want to determine the structure. This is because, while all the electron pairs count towards the electron pair geometry, the bond pairs count towards the molecular geometry of the compound.

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Determine the equilibrium constant at 255 K for the following reaction under acidic conditions.
4H+ (aq) + MnO₂ (s) + 2Fe²+ (aq) ———› Mn²+ (aq) + 2Fe³+ (aq) + 2H₂O(1)
The two half-reactions are:
MnO₂ (s) + 4H+ (aq) + 2e¯¯ ———› Mn²+ (aq) + 2H₂O(1) E* = 1.23 V
Fe³+ (aq) + e, Fe²+ (aq) E³ = .0.770 V

Answers

Temperature is supplied to us as 225 K. The reduction potential potentials will be used to get it equilibrium constant for the this reaction.

What does equilibrium mean in its simplest form?

Definition of EQUILIBRIUM as a noun in the Britannica Dictionary. [noncount] 1. a condition when conflicting forces or acts are matched so that neither is stronger or more significant than the other.

What does the term "equilibrium" signify in biology?

The forces that affect the body must balance out with an equivalent and opposing force for there to be a condition of equilibrium. The physiological state of equilibrium, wherein forces internal and external are all in balance, in an active moving animal. The system is hence stable.

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