Practice Task/Assessment Complete the table below. ION TYPE OF ELEMENT TYPE OF ION CHARGE 1.        Zn+2       2.      Cr+3       3.      At-

Q: Fill in the correct subscript in the formula for the ionic compound which contains Li + cation and…

A: Given: Cation: Li+ Anion: (SO4) 2-

Q: Calculate the average atomic mass for this element. Is 121amu

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Q: . What is the 3rd most prevalent element in the human body (name, not symbol)?

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Q: An unknown element (Uk) has three isotopes, seen in the table. One of the percentage values is…

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Q: Substance calcium carbonate iron oxide Chemical Formula CaCO₁₂ Fe₁₂O magnesium silicate MgSiO4…

A: The objective of the question is to identify a common characteristic between the chemical compounds…

Q: atomic mass

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Q: Write the name of the following elements, ions, or compounds: (please answer all questions in order)…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Please answer 6 Part A and B

A: Following are the appropriate answers of the given questions.

Q: & The other form of isotope notation is known as Add Text Here 9. For each isctope, write it in the…

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Q: The Japanese symbol for an atom has been written on a piece of copper metal using 99 iron atoms.…

A: 1 mol = 6.022×1023 [Avogadro's number]  The mass of one mole of atoms of an element is known as its…

Q: question below

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Q: Question 9 Which ion has +3 charge, 28 electrons, and an atomic mass of 70 amu? A 7231 Ga+3 B 7132…

A: Recall the given data of the following, charge=+3 no. of electron=28 atomic mass = 70 amu

Q: Determine which ions are present in each of the compounds. Cr,O, P6CI, Cr+ C14- Cr³+ Pb4+ Pb 3+ Cl-…

A: A chemical formula of an ionic compound composed of two  parts i.e. cation and anion.  Chemical…

Q: IW #2 (Chapter 2: Atoms, Molecules and Ions) 1. What is the difference between an atom and an ion?…

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

Q: Be sure to answer all parts. What is the mass, in g, of 1.28 x 10 silver (Ag) atoms? Enter your…

A: Given, atoms of Ag = 1.28 x 1011 atoms Molar mass of Ag = 107.87 g/mol

Q: element formula iron Fe(s) lanthanum ☐ magnesium ☐ fluorine ☐

A: Iron is the first Transition metal of atomic number 26 with symbol of Fe. It is by mass the most…

Q: Complete the table below, using the diagram of an atom shown at right. name symbol 0 0 n 0…

A: Complete the table, using the diagram of an atom.

Q: estion 19 A 20.0 g sample of an element contains 4.95 x 1023 atoms. Identify the element. O Mg O Fe…

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Q: Calculate the formula of  the following compound in amu: only give the numeric  value and round all…

A: The atomic mass unit (amu) of any chemical compound can be calculated as adding the atomic masses of…

Q: If 17.28 g of a pure element contains 8.545×1022 atoms, what is the element? The element is: (Enter…

A: The mass of the element that contains 6.023 × 1023 atoms is called as the molar mass of the element.…

Q: Element Kittypurrium (named after one of TA's cats) has two isotopes: Isotope 1 has an atomic…

A: Percent of isotop 1 = 91.162%   Atomic weight of isotop 1 = 40.005 g/mol  Percent of isotop 2 =…

Q: 50.) Determine the name and formula for a compound that has the following characteristics.…

A: The monatomic species are those species which consist of only single atom. On the other hand,…

Q: How many moles of calcium atoms do you have if you have 3.39 x 1021 atoms of calcium. (The mass of…

A: Calculation of moles of Calcium atom: The given atoms of Calcium = 3.39×1021 atoms The mass of one…

Q: Consider an ion: 123 X3+. 51 (X represents a generic symbol) How many protons, neutrons, and…

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Q: The formula weight of ammonium sulfate (NH4)2SO4  is __________ am

A: The molar mass of any substance is the mass of substance in gms for the preparation of 1 mol of any…

Q: Incomplete Chlorine has two naturally stable isotopes: 35 CI (34.968853 amu) and 37 CI (36.965903…

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Q: Al2(CO3)3 contains ___ Al3+ ion(s), ___ C atom(s) and ___ O atom(s).

A: A molecule A x B y contains x atoms of element A and y atoms of element B.

Q: 3. magnesium and bromine lon Name lon Symbol Anion/Cation How 4. aluminum and nitrogen lon Name lon…

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Q: 1)Fill in the correct subscript in the formula for the ionic compound which contains Li + cation and…

A: Ionic compound is formed when electron is transferred from anion to cation. While writing the…

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

A: Most of the time the ionic compounds are  made of metal and non-metals. The metal loses its…

Q: 8/Determine the Mass Percentage of each element in the compound Put the first element in the first…

A: Given compound is Ammonia, NH3  Elements present in ammonia are  Nitrogen (N) and Hydrogen (H)…

Q: uestion 16 of 27 > atomic mass of 122.9042 u. Antimony has an average atomic mass of 121.7601 u.…

A: The atomic mass of an element is the weighted average of the masses of its isotopes. We know that,…

Q: QUESTION 3 35Cl (mass 34.9689 amu) and 37 C1 (mass 36.9659). The atomic weight of Cl in the…

A: Given, Naturally occurring chlorine contains 35Cl (mass 34.9689 amu) and  37Cl (mass 36.9659). The…

Q: Complete an atom inventory for Na3PO4 In the boxes below, place the number of atoms of each element…

A: We know that the elements seperation in the molecular formula is done by the capital alphabet…

Q: 5. What is the molar mass of Ca3(PO4)2? A) 87.05 g/mol B) 215.20g/mol C) 309.97 g/mol D) 430.39…

A: To solve this problem we have calculate the molar mass of given compound.

Q: Complete the table below, using the diagram of an atom shown at right. name symbol 0 0 proton e 0…

A: Electrons are type of subatomic particles with a negative charge . Proton is a type of subatomic…

Q: 1. Chromium has four naturally occurring isotopes, with the masses and isotopic abundances as shown…

A: To find the average atomic mass of chromium, we will use the weighted average formula:Average Atomic…

Q: Question 3 and 4

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

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.