Fill in the gaps in the following table, assuming each columnrepresents a neutral atom.   Symbol              79BrProtons                       25                         82Neutrons                     30     64Electrons                              48     86Mass no.                                       222     207

Q: 4) Use the mass spectrum below to fill out the information in the table about each isotope. 0.56…

A: Mass spectrum is the technique used in analytical chemistry for the separation of ions based on the…

Q: Determine the number of neutrons found in the isotopes of oxygen 16O and 18O (see Figure 2.1).

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Q: How many electrons does the predictable (mostcommon) ion of fluorine contain? (a) 1 (b) 4 (c) 9 (d)…

A:

Q: Q8. Which combination of formula/name is incorrect A. FeO/iron (II) oxide CN₂O/ dinitrogen B. CrO3/…

A:

Q: Give the systematic names for the formulas or the formulas for the names:    (a) tin(IV) chloride;…

A: Give the systematic names for the formulas or the formulas for the names:    (a) tin(IV) chloride;…

Q: :0: What does the diagram represent? A) A neutral oxygen atom B) An oxygen atom with 7 protons C) An…

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a…

Q: Match the formulas to names and names to formulas. MgCl4 A. manganese (I) chloride В. phosphite MnCl…

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Q: 1) Elements are made from a single type of Compound Molecule Atom Proton Chemical Advertisement…

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Q: An element has three naturally occurring isotopes with the following masses and abundances (in…

A:

Q: When atoms of an element become ions, I. Atomic number, II. nucleon number, 9 - III. chemical…

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Q: Write the name of each component in the above reaction where the formula is given?

A: FeSO4 :- Iron(II) sulfate  Potassium phosphate :- K3PO4 Iron(II)Phosphate :- Fe3(PO4)2  K2SO4 :-…

Q: Q12. What is the formula for manganese(III) oxide? (a) MnO (b) Mn30 (c) Mn½O3 (d) MnO3

A: Correct answer is (c) Mn2O3 . Formula of manganese(III) oxide will be Mn2O3 . Oxidation state of Mn…

Q: How many of the following elements are nonmetals? F Са H Ве Ne 4 3 O 1 2

A: How many elements are  non- metals among the following : F, Ca , H , Be , Ne , O  = ?

Q: Argon has the following isotopic abundances: 35.967546 amu 0.3365% 37.962732 amu 0.0632% 39.962383…

A: Given,

Q: Fill in the gaps in the following table:

A: Atomic number (Z) is defined as number of protons present in an atom.  In a neutral atom number of…

Q: 4. The compounds given below are all fertilizers and provide nitrogen to the soil. Which of the…

A:

Q: What is the correct formula for phosphorus pentachloride? (a) PCl5 (b) P5Cl (c) P(ClO)5 (d) PO4Cl…

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Q: Write the chemical formula for a compound containing the following elements: arsenic and oxygen; 4:6…

A:

Q: Write the chemical formula for the following A) aluminum Acete B) Ammonium Phosphide C)…

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Q: Write formulas for the following anions:   (a) fluoride                            (h) oxide (b)…

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Q: Determin the mass of 12.6 mol ethane, C2H6 O 256 O 126 О 379

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Q: A newly discovered element has the name Rougen, has the symbol Rg. Rougen can have the charges of…

A: The solution is as follows :

Q: Fill in the gaps in the following table:

A: Atomic Number = Number of Protons  Mass Number = Number of Protons + Number of Neutrons Symbol -…

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

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Q: 6. Subatomic Particles. Fill in the blanks in the following (table 1). Show your solution 54.24…

A: Fill the table by using suitable number and symbol---

Q: Fill in the table for the following atoms or ions. Please pay careful attention to the difference…

A: Complete the following table ---

Q: Which of the following ionic compounds is incorrectlynamed? (a) Zn1NO322, zinc nitrate (b) TeCl4,…

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Q: Which of the following elements is a metal?   phosphorus nitrogen strontium fluorine argon

A: To find: The element that is metal

Q: Which of the following pairs of formula and name are incorrectly matched?  ZnO, zinc oxide AlPO3 ,…

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Q: Give the systematic names for the formulas or the formulasfor the names: (a) tin(IV) chloride; (b)…

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Q: full the blank  Name Formula aluminum chloride Al   NaF   KS2 calcium nitride     LiF cesium…

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Q: 1. Atomic Structure. Fill the bla a) 106 46 Pd*2 protons 232 92 U b) protons 2. How many molecules…

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Q: Provide the Formulas for the following compounds which are a mix of all categories hydrogen sulfide…

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Q: Which of the following compound names or formulas contains a mistake? 1) Fe(OH)2; Iron(II) hydroxide…

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Q: Enter the following information. Enter all numerical answers as numbers, i.e. "1", not "one. Hint:…

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Q: 15. A sample of 1 mole of which of the following contains the greatest number of oxygen atoms? e.…

A: Oxygen atoms:

Q: Nitrogen atoms on a distant planet have two dominant isotopes: 69.9% 14N (atomic mass 14.003

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Q: Determine Average Atomic Mass for oxygen: Isotope percentage Abundance Actual Mass O-16 99.762%…

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Q: A general chemistry student was asked to write the chemical formula of the following compounds. The…

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Q: Complete the following table. Assume the atom is neutral If electrons or a charge are.not glven. Ple…

A:

Q: Part D Complete column 4 of the table, excluding the isotope symbol and the cells that are already…

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Q: For the positive ion Sr2+, use the concept that a chemical compound must have a net charge to of…

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Q: Write the formula from the following compound names or the name from the following formula

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Q: Name the chemical formula the following compounds all in lower case text except roman numerals.…

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Q: Give the chemical name or formula, whichever applies, of the following ionic compounds. MgO AuCl3…

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Q: Write formulas for the following ionic compounds: (a) Ammonium hydrogen sulfite (b) Magnesium…

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Q: Give the formulas for the following: magnesium hydroxide lead (II) chromate boron trifluoride…

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