How many electrons are there in a Au2+ cation?

Q: How many valence electrons are there in the tetramethylammonium ion, (CH3)4N+? a. 32 b. 18 c. 8 d.…

A: Volume Shell of N

Q: Mn 2 + is an essential nutrient needed for blood clotting and the formation of the protein collagen.…

A: Manganese is a transition element that belongs to the d group. It plays many vital roles in the…

Q: Which element forms an ion that is smaller than its atom? O lead O fluorine O sulfur oxygen

A: Atoms are made up of subatomic particles like electrons, protons and neutrons. The electrons are…

Q: How many electrons are in Cr^{6+}6+?

A: Cr has an atomic number of 24. Atomic number is number of protons, which is equal to the number of…

Q: How many electrons are there in a Au2+ cation? O 78 O 77 O 81 O 80 O 79

A: Cations are positively charged particles, which has more number of protons than electrons. When an…

Q: How many valence electrons does an arsenic atom have? 8 33 O5 O7 2.

A: Atomic number of Arsenic, As = 33 The electronic configuration of Arsenic is : As = [Ar] 3d10 4s2…

Q: Which of the following ions is the smallest? Ca2+ O Mg2+ O Sr2+ Re2+

A:

Q: Complete the table below. For example, in the first row decide whether Sc iodine is mostly likely to…

A: Ionic compounds are formed by ions. The metal atom loses electrons and forms cations and the…

Q: Which element is the only transition metal that has a single-letter chemical symbol that is not the…

A: Co-ordination compounds are formed when the metal ion is bonded to the ligand which donates its…

Q: 1. To what group in the periodic table do the elements listed belong ? 2. Why these elements are…

A: The elements listed are called inert gases and belong to the group 18 of the periodic table. They do…

Q: An atomic cation with a charge of +2 has the following electron configuration: 35 What is the…

A: A cation with +2 charge has two electrons less than the neutral atom.

Q: Write the symbol for the monatomic ion that has a charge of-1 and the condensed electron…

A: • We need to write the symbol for the monoatomic ion that has a charge of -1 and the condensed…

Q: An atomic anion with a charge of -1 has the following electron configuration: 3 1s²25°2p³ What is…

A: An atomic anion with a charge of -1  is formed by accepting an electron which has the electronic…

Q: An atomic cation with a charge of +3 has the following electron configurat [He] 2s*2p° What is the…

A:

Q: 3. How many valence electrons are there in: Si and P?

A: Valance electrons in Si and P

Q: An atomic cation with a charge of +2 has the following electron configuration: [He] 2s 2 p° What is…

A: The electron configuration of +2 charged cation is as follows: He 2s2 2p6

Q: How many electrons does the ion Fe +3 ( A=56, Z= 26) have?  (a) 23  (b) 26  (c) 29  (d) 56

A: Interpretation: The number of electrons in the Fe+3 is to be determined. A = 56 Z = 26

Q: 6. What are the no of protons and electrons on the following ions: (a) Ca , (b) F , (c) 0? , and (d)…

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

Q: re in the n = 3 shell? m number of electrons in the n = 3 shell?"

A: Circular path around the nucleus where electrons revolve ,called shell. Subshells in n = 3 are 3s…

Q: An atomic cation with a charge of +1 has the following electron configuration: 2 [Kr] Ss°4«®5p? What…

A: In an atom, the atomic number forms the identity of the element. Atomic number is the number of…

Q: What would you predict the charge of Ga to be as an ion? al 3- 1- 1+ P. 3+

A: Charge on cation or anion is decided by its electronic configuration.

Q: 5. Of the following ions, the one with the least amount of electrons will be: A) S2- B) S C) S2+…

A: Given ions: S2- S S2+ S6+ S4+ We have to find the ion that has the least amount of electrons.

Q: If a Chlorine (CI) atom gained an electron, what would be the overall charge? O+1 O +2

A: Chlorine gains an electron, leaving it with 17 protons and 18 electrons. Since it has 1 more…

Q: How many valence electrons does an element in each group contain: (a) 2A; (b) 4A; (c) 7A?

A: (a)  Group 2A : Valence electrons = 2 (b)  Group 4A : Valence electrons = 4 (c)  Group 7A : Valence…

Q: How many electrons are there in a Au2+ cation?

A: Atom is the smallest indivisible particle of an atom. It is made up of three subatomic particles…

Q: how many electrons would an sr atom lose or gain to become an ion

A: Strontium atomhas the following electronic configuration : Sr38 = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6…

Q: Fill in the systematic names of the following chemical compounds. Note: for compounds containing…

A:

Q: Ion Charge Number of Electrons in Ion Number of Protons in Ion Symbol Cu 27 Br 36 +1 37 36 34 Zn +2…

A: → In atom the number of protons is equal to number of electrons→ When we charge number of electron,…

Q: How many protons, electrons, and neutrons does the Vanadium +5 ion (V) have?

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

Q: How many protons, neutrons, and electrons does the79Se2- ion possess?

A: The arrangement of the elements based on the atomic number in rows and columns provides the periodic…

Q: How many electrons are there in a Au2+ cation? O 78 O 77 O 81 80

A: The number of electrons present in Au = 79. Its electronic configuration is: [Xe] 4f145d106s1

Q: An atomic cation with a charge of +1 has the following electron configuration:…

A:

Q: What is the predicted ionic charge for a s ion? a) 6+b)6- c)2+d)2-

A: The gain of one or more electrons by a neutral atom leaves the neutral atom negatively charged…

Q: How many electrons are in the n=4 shell of Se? A. 0 B. 4 C. 6 D. 2

A: "n", the principal quantum no., represents the main energy level (shell) in which the electrons can…

Q: Predict the charge of the ion most likely to form for each. a. F b. Sr c. Group VA d. The Noble…

A: Interpretation: We have to predict the charges on the species.

Q: An Ionic compound has one Al+3 as its cation. With which anion is it most likely paired? Assume…

A: Ionic compounds are formed such that the net charge on molecule is zero. Here Al+3 will pair with…

Q: An atomic anion with a charge of-2 has the following electron configuration: [Ne] 3s 3 p° What is…

A:

Q: Considering only ions with charges of +1, +2, -1 and -2, or neutral atoms, give the symbols for 4…

A: Species that have same number of electrons are called isoelectronic species.

Q: -a)Identify the following elements by condensed elcotron contiqurations of the element.) neutral…

A: To solve this problem first we have to count the total number of electrons to know it's atomic…

Q: Kr has 36 protons and 36 electrons. Give the symbol of two anions and two cations that are…

A: Krypton(Kr) belongs to the noble gas family, i.e. group 18. It's atomic number is 36 so it has 36…

Q: What charge ion do you expect calcium to become when it gains or loses electrons? -3 +2 -1 -2 +3 O…

A:

Q: How many valence electrons do the following elements have? A.) Sr B.) Cl C.) Si D.) Se E.) H

A: Interpretation -  To tell about how many valence electrons do the following elements have -  A.) Sr…

Q: As you move from left to right across the periodic table, the number of valence electrons in an atom…

A: As you move from left to right across the periodic table, the number of valance electron in an atom…

Q: 6. Write the formulas and names for the compounds of the following 1ons: 02- p3- Ga3+ K+

A: Ions   F -   O 2-   P 3-     K+  KF   K2O   K3P    Ga3+ GaF3 Ga2O3  GaP Names of the…

Q: How many electrons in the valence shell for Zirconium atom (Zr) 6 electrons 2 electrons O 10…

A:

Q: 3. 4 2 5. Nucleus O Proton O Neuton O Shell Electron Atom

A: An atom is composed of nucleus and electrons (present outside the nucleus).

Q: How many valence electrons are there in P3-?

A: We know phosphorus electronic configuration is 1s22s22p63s23p3 total electrons in P = 15

Q: How many electrons and protons are contained in each cation? a. Au + b. Au 3 + c. Sn 2 + d. Sn 4 +

A: When a neutral atom tends to lose an electron then it leads to the formation of a positive charge…

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.