Metal Sodium Iron II Iron III Magnesium Calcium Nickel II Lithium Hydrogen Calcium Non-metal Oxygen Oxygen Oxygen Bromine Sulfur Oxygen Nitrogen Selenium Fluorine Empirical Formula

Q: What is the maximum number of electrons that can be contained in each of the following ? 

A: a. maximum number of electron in any  orbital is = 2  so , maximum number of electron in 3d orbital…

Q: In your own words, define or explain the followingterms or symbols: (a) formula unit; (b) (c)…

A: There are so many molecules present in chemistry. Every molecule has its own molecular formula or…

Q: 20. How many atoms does each prefix specify? mono-, di-, tri-, tetra-, penta-, hexa-.

A: An atom is the smallest unit in an element that has all the properties of that element. Molecules…

Q: Write formulas for the compounds:; (j) phosphorus dichloride trifluoride

A: The chemical formula is a short term notation which is used to represent the no. of atoms present in…

Q: Write the formula for any four of the following compounds.    d., Compound Name, Compound Formula a.…

A: Hey, since there are multiple sub-parts questions posted, we will answer first three questions. If…

Q: Sort the molecular compounds in the table into groups with the same empirical chemical formula. .…

A: Here we are required to group the compound which have same empirical formula.

Q: A brass alloy contains 78.9% copper, Cu, by mass with the remainder of the alloy being zinc, Zn.…

A: We have to predict the moles of Zn and atoms of Zn.

Q: The ionic compound CaCO3 has a formula mass of:

A:

Q: Based upon the structural formula shown... O What is the molecular formula? What is empirical…

A: Molecular formula indicate the exact number of atoms of each elements in the molecule.Empirical…

Q: How can you efficiently determine the number of atomsin a sample of an element? Why is counting them…

A: To find: How can you efficiently determine the number of atoms in a sample of an element? Why is…

Q: Which are correct formulas for ionic compounds? Forthose that are not correct, give the correct…

A: Since you have posted multiple sub-parts, the answer for first three sub-parts are given below.…

Q: Describe how to find the number of Atoms in the following chemical formula. Use sentences! And…

A: To determine number of atoms first determine number of molecules and then determine number of atoms…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: There are four ions given, two cations and two anions. By combining them with one another making a…

Q: ruthenium chloride contains 48.72% ruthenium and 51.27% chlorine by mass. what is the empirical…

A: mass % of ruthenium (Ru) = 48.72 % = 48.72 gmass % of chlorine (Cl) = 51.27 % = 51.27 gEmpirical…

Q: element #1 element #2 hydrogen sodium carbon bromine carbon chlorine element pair will form a…

A: From the data, find the element pair can form a chemical compound.

Q: Give an example of a case in which two molecules havedifferent molecular formulas but the same…

A: Empirical Formula: It is a chemical formula where atoms or elements of the molecule are present in…

Q: Classify compound as ionic or molecular. SO3

A: SO3 , Ionic or covalent ?

Q: Write the formulas and names for all the ionic compounds that can form by combinations of the…

A: Ionic compound consists of anions and cations. These compounds are held together by electrostatic…

Q: Mass of Sample Moles of Sample Molecules in Sample Total Atoms in Sample 4.40 g C6H6…

A:

Q: Which is true regarding the compound KCI? Note that this is CI" for chlorine, not "C" for carbon and…

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: NH4+ , Fe3+, CH3COO-1, SO4-2 1. Ammonium sulphate NH4+  +  SO4-2  =  (NH4)2SO4 2. Ammonium acetate…

Q: What is the minor product(s) of the following reaction? What is the major product(s)? Explain your…

A: The Diels–Alder reaction is a pericyclic reaction (cycloaddition) between a conjugated diene and a…

Q: Part B: Assorted Questions: 1. Classify the following substances as elements, ionic compounds, or…

A: Element: An element is a substance that cannot be broken down into simpler components by any…

Q: Write the meaning of formula unit How is it determined? Calculate the formula unit mass of a…

A: l

Q: atoms Calculate each of the following quantities in 0.200 mol of C6H140. You may want to reference…

A: Number of moles of C present in 1 mole of C6H14O = 6 mole Number of moles of C present in 0.200 mole…

Q: O ATOMS, IONS AND MOLECULES Predicting the formula of ionic compounds with common... Write the…

A:

Q: Why don't we count the number of atoms when determining the formula for ionic compounds compared to…

A: # When determining the formula for ionic compounds we do not count the number of atoms. # But we do…

Q: 10. NHẠI 11. KrBr2 12. KNO3

A: Since you asked multiple questions so,as per Q&A guidelines of portal I solved first three parts…

Q: Writing names and formulas for ionic compounds containing non- common monatomic ions 1. What this…

A: Different type of cations and anions, when combine with each other, they give an ionic compound.…

Q: molar mass

A:

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: Solution - 1. From Fe3+ and CH3CO2- - (CH3COO)3Fe 2. From Fe+3 and ClO3- Fe(ClO3)3

Q: give the first compound prepared of noble gases.

A: In the periodic table, 18th group elements are known as Noble gases or inert gases.  There are seven…

Q: Determine the number of moles of hydrogen atoms in sample. 1.87mol C8H18

A: The number of moles (n) of a substance is expressed as the ratio of mass (m) to its molar mass (mm).…

Q: rite the empirical formula of at least four binary ionic compounds that could be

A: The cation Mg2+ forms a binary ionic compound with two Cl- ions having empirical formula MgCl2. It…

Q: Complete the following table. Mass of Moles of Sample Molecules in Sample Total Atoms in Sample…

A: Answer shown in attachment provide in explanation box Explanation:

Q: Cd(H2PO4)2 W (HSO,)6 As2S5 NH,Br

A: Ionic compounds are made up of ions and joined by ionic bond while molecular compounds are made up…

Q: Chapter 12 Worksheet OWA MOITATOR HAJU State how many atoms of each element is in the molecule u -i…

A: Suppose, you have a species of formula nAmBz. Then each AmBz contains m number of A atoms and z…

Q: O 2 AL +bNaoA2Nag Alo+ 3Hz what The volume of hydrogen when 299 of Aluminium. fAl=24)_veat wiTh…

A: 4) Step 1 - Convert percentage of element into grams mass of Sulphur = 40.56 g mass of Oxygen =…

Q: Calculate the formula mass for each of the compounds. NaHCO,: amu C,H,N,0;: amu (NH, ),SO,: amu

A:

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: The empirical formula has the simplest ratio of elements present in the exact molecular formula. The…

Q: None

A: Step 1:No. of Hydrogen atoms in NH4H2PO4 = 4+2 = 6 Step 2: Calculating the molecular mass in…