How many electrons are in the n = 3 shell of a magnesium ion (Mg²⁺)?

Q: Give the correct formula/name for each of the following compounds P4O10 magnesium nitrate…

A: The correct formula/name for each of the given compounds given as,

Q: Element X forms a cation with a charge of 4+. What is the correct formula for X chloride?

A: Ion X has charge 4+ and Cl has charge of -1 .

Q: Give the formula of a negative ion that would have the same number of electrons as: a)Sodium…

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Q: Determine the mass of oxygen in a 45 gram sample of Al2(CO3)3- H Li Be Belize 502 Na Mg Pet Rb Sr Cs…

A: Given, mass of Al2(CO3)3 = 45 g mass of Oxygen in the given sample = ? Note:  molar mass of…

Q: 17. For each of the following chemical formulas with + signs between them, write the chemical symbol…

A: We have to find no. Of atoms

Q: Which monatomic ions would you expect radium  (Z = 88)  and selenium  (Z = 34)  to form?

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Q: 1) Provide an explanation for the way the following formula Ca5(PO4)3OH is written and provide the…

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

Q: What is the name of the compound with the formula N₂O4? What is the name of the compound with the…

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Q: Fill in the missing values for the symbols, mass numbers, atomic numbers, protons, electrons, and…

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Q: Which one is the anion and which one is the cation?

A: We have given an compound Ca3(PO4)2 and we have to find which  one is the anion and which one is the…

Q: element scandium oxygen fluorine symbol of ion 3+ magnesium 0 0 0 potassium 0 Sc most likely ion…

A: The number of protons in an atom's nucleus determines what element the atom is. For example,…

Q: Compound Formula Cation Symbol Anion Symbol Name K,S K* potassium sulfide Na,N NaBr Mgo CaCl, AIN…

A: charge on an ion (cation or anion) represent the valency(only magnitude of charge) of that ion.  A…

Q: Distinguish between ions, cations, and anions

A: A chemical specie like atom or a molecule can either be in neutral state or in charged state. The…

Q: How many electrons are in hydrogen

A: Given element,       Hydrogen (H)

Q: How many atoms of oxygen are indicated in the formula Fe(NOa)3? O 1 O 3 O 6 0 9

A: Calculate numbef of O atom in Fe(NO3)3 ?

Q: Arsenate is a polyatomic ion with the chemical formula AsO4. If magnesium arsenate has a chemical…

A: Ionic compound: These are those compounds that are formed by the combination of a metal cation and a…

Q: What is the formula of chromium(VI) oxide?   What is the formula of carbon tetraiodide?

A: We have to predict the formula for the given names

Q: How many electrons are in bromine's (atomic number 35) next to outer shell (n=3)? 02 04 08 18

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Q: What is the name of the compound with the formula Cr(NO2)3?   What is the name of the compound…

A: Write the name of the given compound ?

Q: Which of the following represents a cesium ion? A B U Cs²+ Cs+ Cs D Cs²-

A:

Q: 5) What is the name and symbol of an ion that has 26 protons and 23 electrons? A) Fe+3 B) Fe+2 C)…

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Q: Consider a hypothetical element , which is capable of forming stable simple cations that have…

A: The objective of the question is to determine the formulas of the compounds formed by a hypothetical…

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

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Q: 6. Which row in the table is INCORRECT? (a) (b) (c) (d) (e) Symbol 79Se2 P 107 Ag+ 55Mn SV 130-…

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Q: certain acid is derived from the anion SO32−. What is The formula for the acid.

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Q: Atoms of which of the following elements are largest? Ca K Mg Na

A: You have given the following elements to find the largest atom among them. K , Na , Mg, Ca

Q: How many neutrons and electrons does 198Hg2+ have?

A: Since the atomic number of neutral Hg atom is 80 = number of electrons in Hg And in the above given…

Q: The arsenic atom in AsCl3 would be expected to have a O 3- charge. O partial negative (8–) charge. O…

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Q: The chemical formula for trisilylamine is: (SiH3)₂N How many silicon atoms are in each molecule of…

A: We have the chemical formula for trisilylamine, which is: A chemical formula is representation of…

Q: Decide which element probably forms a compound with hydrogen that has a chemical formula most and…

A: Step 1: The elements which are present in the same period will have the similar chemical reactivity.…

Q: Potassium (K) has 19 electrons. How many protons does it have? O 19 O 39 O 20

A: Atom is neutral  and so every atom is having equal positive charge and negative charge

Q: What is the name of the compound with the formula Ba3(PO4)2 ?

A: To identify the name of the compound, we need to analyze the given molecular formula and identify…

Q: Write an equation that shows the formation of a rubidium ion from a neutral rubidium atom (Z=37).

A: Rubidium atomic number is 37.  it is a silvery white metal present in alkali metals (IA group).  Its…

Q: Name the following ionic compound: Sn(ClO)4

A: Identify the name of the metal and the name of the anion present.The metal will be a cation and it…

Q: How many valence electrons are there in the bromine tetrafuoride ion, BrF4¯?

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Q: Arsenic is a toxic solid often used in the past as a component of pesticides. How many electrons are…

A: Atoms can be of three types- Neutral, positively charged and negatively charged. Neutral atom is…

Q: In which ionic compound would the metal cation have the Roman numeral II as part of its name? ZnO…

A: Roman numerals are define in naming ionic compounds when the metal cation forms more than one ion.

Q: The chemical formula for sodium thiosulfate is: Na,S,O3 How many oxygen atoms are in each formula…

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Q: Consider a hypothetical simple ion M2+. Determine the formula of the compound this ion would form…

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Q: Which of the following is an atom, molecule, ion, element? Cl- O2 HCl Ne

A: 1. Cl- is an ION. Ion is an atom or a molecule with some net charge on it, formed by loss or gain of…

Q: What is the correct formula of chromium (III) chloride? Cr3Cl Cr3Cl2 CrCl3 CrCl Cr₂Cl3

A: We have to write the correct formula for the chromium (III) chloride.The given options are shown…

Q: If the polyatomic anion ClO 2− is called chlorite, what is the name for the acid HClO 2?

A: The name of HClO2 acid needs to be determined on the basis of the name of polyatomic anion ClO2-.

Q: Why couldn't a Na^+ Ion formed by adding a proton to a Na atom

A: Here we are asked to tell about reason why couldn't a Na+ ion form by adding a proton to a Na atom?…

Q: Choose Na+ as the cation of the salt and chloride ion as the anion. This is sodium chloride. How…

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