The radii of the lithium and magnesium ions are 76 pm and 72 pm, respectively. Which compound has stronger ionic attractions, lithium oxide or magnesium oxide

Q: The diameter of a silicon atom is 2.34 x 10-8 cm. If the silicon atoms were placed next to each…

A: Given:  Diameter of silicon = 2.34 x 10-8 cm Width of paper = 8.5 inch

Q: The radii of the lithium and magnesium ions are 76 pm and 72 pm, respectively. Which compound has…

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Q: give the formula for the following ionic compounds: a) ammonium bromide b) magnesium nitride c)…

A: a) ammonium bromide - NH4Br b) magnesium nitride - Mg₃N₂ c) Cesium sulfide - Cs2S d) calcium…

Q: Magnesium and nitrogen react to form an ionic compound. Predict which forms an anion, which forms a…

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Q: 1. Complete the following table. cation Anion No. Compound Empirical Formulas a. Potassium sulfide…

A: Writing the table below:

Q: Two compounds of Cl and X are found to have molecular masses and % Cl, by mass, as follows: 137…

A: In first compound, Cl is 77.5 % and the total mass of the compound is 137 u. Calculate the mass of…

Q: Write the symbols and charges for the atoms given below and then identify it as anion/cation and…

A: Here is your answer

Q: 2.74 An ionic compound forms when lithium (Z = 3) reacts with oxygen (Z = 8). If a sample of the…

A: Given data contains, Number of lithium ions is 8.4×1021 Li ions. Atomic number of Li is 3. Atomic…

Q: Bronze is an alloy with the following composition: Component Copper Nickel Zinc mass percentage 52.0…

A: Given  Mass percentage of Cu = 52%  Total mass of sample     = 2 gram  mass of copper              =…

Q: Calcium phosphide consists of two ions chemically bonded together. What are the charges of each ion?…

A: To write the chemical formula of compoundwhich follow the following rule:-(i) write the symbols of…

Q: A 3.23 g sample of calcium sulfide was decomposed into its constituent elements producing 1.80 g of…

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Q: An ion found in some compounds used as antiperspirants contains 13 protons and 10 electrons. What is…

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Q: nds, which is ionic? orby c. Cl₂0 d. CaCl2p OORD

A: In Ionic compounds,  Cations and anions are bonded with electrostatic force of attraction.

Q: Give the chemical symbol, including superscript indicating mass number, for (a) the ion with 22…

A: The chemical symbol for any species is written as :   ZXA where Z is the atomic number and A is mass…

Q: Differentiate between an atom, an element, and a molecule.

A: Element - are naturally occurring species  Atom-building block of molecule  Molecule - made up of…

Q: Which of the solids making up the mixture you are given is an ionic compound?

A: An atom is made up of electrons, which revolves around the center of an atom, protons, and neutrons.…

Q: N,Si, Sr(NO3)2 CosO3 Co(C,H,O2)3 Mn,N, Mg(OH),

A: While naming a molecular compounds , we write the name of the first element followed by name of the…

Q: 2.27 Show, with calculations, how the following data illustrate the law of multiple proportions:…

A: According to law of multiple proportion, when two elements combine with each other to form more than…

Q: A platinum atom has a radius of 177 pm. If you could string platinum atoms like beads on a thread,…

A: Given that, Radius of Pt-atom = 177 pm =177×10-12 m= 177×10-10 cm =1.77×10-8 cm Length of necklace =…

Q: The radii of the sodium and potassium ions are 102 pm and 138 pm, respectively. Which compound has…

A: Ionic compounds are those compound which are formed by the electrostatic force of attraction between…

Q: An ionic compound forms when lithium (Z=3) reacts with oxygen (Z=8). If a sample of the compound…

A: A compound is a material formed by chemically bonding two or more chemical elements. The type of…

Q: White sand is made of silica (silicon dioxide, or SiO2), which has a density of 2.20 g/cm3. How many…

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Q: Aluminum and carbon react to form an ionic compound. Predict which forms an anion, which forms a…

A: Given: Aluminum and carbon react to form an ionic compound.

Q: 72.691g        84.321g    Potassium phosphate  à  Iron (II) phosphate  Write the chemical formula…

A: Given, (a) Potassium phosphate (b) Iron (II) phosphate

Q: A nanotechnology experiment requires 3.60x 1019 atoms of potassium. What is the mass of this sample?…

A: Given  number of atoms of potassium = 3.60 x 1019 atoms To find mass of this sample. Required data -…

Q: Write the formulas for the following compounds:(a) phosphorus pentachloride(b) dinitrogen…

A: The chemical formula of the given name represents the symbolic representation of the formula. LIke:…

Q: How many electrons is the element Strontium (Sr) likely to gain or lose?

A: Strontium is represented by Sr. The atomic number of Sr is 38. Sr Electronic configuration = [Kr]…

Q: Write the symbols and charges for the atoms given below and then identify it as anion/cation and…

A: The answer to the following question is -

Q: Write the symbols and charges of the monatomic ions formed by calcium AND phosphorus, and write the…

A: Calcium gives divalent ions (Ca2+) Phosphorous  forms the ions P3-, P4-, P3+, P5+

Q: What is the edge length (in cm) of a titanium cube that contains 2.55 * 10(24) titanium atoms? The…

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Q: Complete the table, and then analyze the data to determine if Compounds Iand II are the same…

A: The concentration of a substance can be measured in terms of mass by mass percentage. This…

Q: An ion has 28 protons, 24 electrons, and 30 neutrons. What is its ionic charge?

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Q: Give the formula for each of the following compounds: (a) sulfur dichloride, (b) dinitrogen…

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Q: An ion from a given element has 30 protons and 28 electrons. What is the charge on the ion? What is…

A: Note= According to our guidelines we are supposed to answer only one question.  Kindly repost other…

Q: Explain the following statement: The smallest particles uniqueto a compound cannot be atoms

A: A compound can be described as a substance consisting two or more elements present in unique…

Q: Consta ns 1 P If red spheres represent oxygen atoms, blue spheres represent nitrogen atoms, and all…

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Q: Which of the following are ionic, and which are molecular?(a) PF5, (b) NaI, (c) SCl2, (d) Ca1NO322,…

A: The compounds which are formed by its respective cations and anions  through electrostatic…

Q: A metal (M) forms a compound with the formula MI2. The compound contains 79.97% I by mass. Identify…

A: Given:Molecular formula of compound = MI2Mass % of I = 79.97%We need to identify the metal in the…

Q: White sand is made of silica (silicon dioxide, or SiO2), which has a density of 2.20 g/cm3. How many…

A: The question is based on mole concept. We have been given diameter of the silicon atom. we have to…

Q: Give the formula for each of the following compounds. (a) sulfur dichloride, (b) dinitrogen…

A: The binary compounds which are formed by the group of 4A-7A elements are named as by adding the…

Q: The smallest unit of charge is –1.6 × 10¬19 C, which is the charge in coulombs of a single electron.…

A: In the given question we have to find out the values of possible charge of oil droplets. Here, the…

Q: Does the fact that two elements combine in one-to-one atomic ratio mean that the charges on their…

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Q: In a chemistry class, a group of students determined the mass-to-charge ratio for an electron to be…

A: The charge on the particle and the mass of the particle is used to identify the subatomic particles…

Q: An ion from a given element has 27 protons and 25 electrons. What is the charge on the ion? What is…

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Q: Of the remaining two subatomic particles, which do you place second in importance for forming…

A: This question concerns the work done by J.J Thomson. Thomson thought that the electrons are the most…

Q: An ion from a given element has 26 protons and 23 electrons. What is the charge on the ion? What is…

A: Note: As per our guidelines, we are supposed to answer only one question. Please repost the other…

Q: In the periodic table, do the chemical properties change more than through a period or through a…

A: Periodic table is table in which the elements are arranged based on there electronic configurations.…

Q: How do cations and anions differ?

A: An atom or group of atoms which carry some charge either positive or negative on them are said to be…

Q: Potassium bromide + Iron (III) oxide Potassium oxide + Iron (III) bromide REACTANTS PRODUCTS Element…

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.