What charge does a calcium cation always have? +1 +2 +3

Q: How many protons and electrons are in each of the following ions?a. Sr2+              b. Cl-

A: To calculate the number of protons and electrons we need to know the electronic configuration of…

Q: Write the chemical formulas for the following compounds or ions. a) b) c) d) e) nitrate ion aluminum…

A: We are to write the formulas of given compounds and ions (A) nitrate ion (B) aluminium oxide (C)…

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

A:

Q: What would you predict the ionic charge of an element in column 2A (column 2 in ptable) to be? O a…

A: Solution :      Ionic charge is created by the gain or loss of electrons from elements or groups of…

Q: What is the ionic charge of an ion with 12 protons and 13 electrons? Group of answer choices -1…

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Q: Element: Se 76 Mass number: Number of neutrons: Number of protons: Number of electrons: charge: 2-…

A: In the case of a neutral atom, Number of protons = Number of electrons = Atomic number Negative…

Q: Carbon shares to attain a completely filled shell. Protons O lons Electrons O Neutrons

A: The 8-electron rule states that an atom shares sufficient valence electrons to fill the…

Q: Which of the tollowing pairs uf bupothetical atoms are isotopes? 9 41 19 X 40 aX and 14 X b. 36 36…

A: Isotopes are variants of a particular chemical element which differ in neutron number, and…

Q: How many protons, neutrons, and electrons does the following ion have? 56 Fe2+ 26 O 26p, 30n, 28e…

A: Given - Fe2+2656The number of protons equal to atomuc number then,protons=26The number of neutrons…

Q: The chemical symbol of an ion is 43 2+ X (Z 21). The numbers of neutrons and electrons for this ion…

A: Given  Symbol of Ion = X2+43 Atomic Number of ion = 21  Number of neutron = ?  Number of electron =…

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: 12. Calculate the atomic mass of an element if its average atom has a mass 2.25 times that of…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Fill in the table below Species Protons Neutrons Electrons Electron Configuration 97MO4+ 65C.

A: The table is filled as follows: The number of protons in an atom= atomic number of that atom The…

Q: Which of the following statements about a calcium ion are correct? (1)  It has the same number of…

A: A question based on the structure of atoms that is to be accomplished.

Q: Which ion has 38 protons, 36 electrons? CO a. Kr ОБ. Sr Oc Sr24+ O C. O d. Kr2+ O e. Sr2-

A: Given that: No of protons= 38 no of electrons= 36

Q: 110. Fill in the blanks to complete the table. Number of Number of Number of Symbol A Protons…

A: The table is given below,

Q: Which of the following images correctly shows a Magnesium with a 2+ charge (Mg2)? Mg Mg Mg Ma D

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Q: 60. Determine the charge of the cation in the ionic compounds a. Cu20 b. MnSO4

A: • For an isolated molecules , the oxidation number tells about the charge of any atom in molecules.…

Q: . An ion has a 3+ charge, 25 electrons, and a mass number of 53. What is the symbol for this…

A:

Q: Solve this

A: An atom is the basic and fundamental unit of matter. An atom consists of electron and the nucleus in…

Q: ionic cation anion compound Na Cl Na CI Fe, S, VI, CrBr, Mn F.

A: Ionic compound  Ionic compounds are compounds composed of ions : Anions and Cations. These ions…

Q: For the specific isotope ion 184w4+, fill in the missing information below: Isotope symbol: 184w4+…

A: Yes this is correct  Explanation atomic number of Tungsten =W = 74   a)The number of protons in an…

Q: When radium becomes an ion, what is its charge? O There is not enough information to answer this…

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

Q: Write the chemical formulas for the given compounds. magnesium telluride: rubidium nitride: aluminum…

A:

Q: How many protons, neutrons, and electrons does the 79 Se 2- ion possess?

A: Atomic number is equal to the number of protons. Mass number is equal to the sum of number of…

Q: What would you predict the ionic charge of an element in column 2A (column 2 in ptable) to be? al 2-…

A: Column 2A elements are known as alkaline earth elements and they have two electrons in their valence…

Q: The following table presents the abundances and masses of the isotopes of zinc. What is the atomic…

A: The abundance of the naturally occurring isotope given are,

Q: If element A has a charge of 3 and element B has a charge of -2 what would the proper ionic formula…

A: charge on element A = +3 Charge on element B = -2. According to criss cross rule ionic formula of…

Q: How many protons and electrons are present in each ion: (a) Ca 2 +; (b) O 2 −?

A: An atom is made up of three particles- electrons, protons, and neutrons. Protons and neutrons…

Q: If the formula of sodium sulfate is Na2SO4, what is the formula of iron(III) sulfate? (A) Fe3SO4 (B)…

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Q: When calcium becomes an ion, what charge would you expect it to have?

A: The calcium is  element of group 2 and it generally possesses +2 oxidation state, thus it has +2…

Q: What is the charge of the underlined atoms below? a. NO2 b. FeCl3 c. K2SO4 d. ClO3-

A: NOTE : As you mentioned find charge of underlined atoms. No underlined atoms shown. So, charges of…

Q: The following table presents the abundances and masses of the isotopes of germanium. What is the…

A: Given:

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

A: Which one gives a whole number after you divide by -1.6x10^-19C since the electron has the smallest…

Q: A monatomic ion has a charge of +2. The nucleus of the ion has a mass number of 62. The number of…

A:

Q: 3. Which species has a negative charge? A. a lithium ion B. an alpha particle С. an aluminum ion D.…

A: In the process of radioactive decay an unstable nucleus is disintegrated to smaller nuclei along…

Q: Among the three pictures A, B, and C, which of the following will best represent: 1. An atom? Why?…

A: An atoms contain equal number of protons and electrons and overall the charge on the atom is…

Q: 1. Determine how many electrons does the following ions have. a.) Cerium ion with a +3 charge b.)…

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Q: Write the formulas of the following compounds:(a) rubidium bromide(b) magnesium selenide(c) sodium…

A: For ionic compounds, identify the cation and the anion, along with the charge, then these 2 must be…

Q: Write the element's symbol and ionic charge. 12 10 ELEMENT Protons Electrons CHARGE SYMBOL 34 36…

A: The solution is given below -

Q: How many electrons do each of the following charged elements have? (Helps to determine proton number…

A: Proton number is the number of protons present in the nucleus which is equal to the atomic number.…

Q: Be sure to answer all parts. For each neutral atom, fill in the blanks in the table below. 121…

A: The given table is filled by using the following two expressions: Atomic number of the element =…

Q: How many of the following formulas for a metal oxide is not correct? Al203 is aluminum oxide. Fe203…

A: The metals combined with oxigen to form Metal oxide. The general formula for metal oxide is M2Ox…

Q: What would you predict the charge of an ion from column 1A (or column 1 from ptable) to be? 2- 1- C.…

A: Since, 1A contain alkali metal.

Q: Describe the difference between what lonic charges and subscripts represent. Ionic Mg+2N-3 age Mg3N2…

A: Numbers and alphabets are applied to form a chemical formula which represents a chemical compound.

Q: What is the atomic number of an ion with a -2 charge when it has 18 electrons O A. 20 В. 16 О С. 24…

A: Atomic number is defined as the number of protons in a nucleus of any atom. It uniquely identify the…

Q: charge number

A: