An ion has a mass number of 208 and an atomic number of 82, how many electrons does it have if the ion has a +4 charge? O 126 electrons O 82 electrons O 78 electrons O 86 electrons

Q: predict the charge of each element based on its position on the periodic table P Na S Cl Mg O…

A: Predict the charge of the given ions-

Q: 86. Fill in the blanks to complete the table. Number of Number of lon Commonly Electrons Protons…

A: The table of the elements is given below,

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: Give the names and charges of the cation and anion in each of the following compounds: (a) CaO, (b)…

A: a calcium oxide  b sodium sulphate

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: 18. Complete the following table: Isotope Name Atomic Number of Number of Total Number of Number…

A:

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: What do these four elements have in common? Hydrogen (H) be Oxygen (0) 4e 2e Carbon (C) Na 2e 1e Be…

A: We are given structures of 4 elements we need to describe which thing is common to all.  In an atom…

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: Write a isotope symbol for An ion with 17 protons, 18 electrons, 20 neutrons

A: Isotopes of an atom have same number of protons but differ in the number of neutrons, so isotopes…

Q: For each of the following ions, indicate the total number of protons and electrons in the ion. For…

A: a. Fe2+ b. Fe3+ c.  Ba2+  d. Cs+ e. S2- f. p3- g. Br- h. N3-

Q: Rubidium has an atomic number of 37 and a mass number of 85. How many protons, neutrons, and…

A: Given  Rubidium  has an atomic number of 37and mass number of 85  and  carry  1+ charge.we need to…

Q: For the specific isotope ion 81Br, fill in the missing information below: Isotope symbol: 81Br…

A: For the specific isotope 81Br-  :  Number of protons = ?  Number of neutrons = ?  Number of…

Q: How many protons, electrons and neutrons are present in the fluoride ion? O P = 9, E = 9, N = 10 O P…

A: When oxidation and reduction takes places in a chemical reaction simultaneously then the reaction is…

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: Which of the following statements is/are true about 55Mn²+? (1) this ion has 25 protons (2) this ion…

A: Manganese (Mn) is the memeber of first transtion elements and d-block element.  Its atomic number is…

Q: C. The following are some metals that form more than one cation. List the cations that they form.…

A: A positively charged ion is called as cation. The cations are formed after loss of one or more…

Q: Group the elements into pairs that would most likely exhibit similar chemical properties. It does…

A: Chemical properties of any element depends on the number of valence electron the element is having.…

Q: Solve this

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

Q: Write the complete symbol, including mass number and atomic number, for each atom. contains 28…

A: 1) Given : atom contains 28 protons and 30 neutrons. Since mass number = number of protons + number…

Q: What is the name given to group 7A     alkali metals      alkaline earth metals…

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

Q: Calculate the atomic number and atomic mass number for atoms with a- 4 electrons and 2 neutrons b-…

A: no of electron is equal to the number of the proton in a neutral atom.  The atomic number is the no…

Q: For each of the following ions, indicate the total number of protons and electrons in the ion. For…

A: Chemical symbol of iron is Fe Atomic number of Fe(iron) is 26

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: Given the antimony (III) ion Match each of the following with its correct answer The number of…

A: As per rules only first question can be answered: Mass number = number of protons + number of…

Q: Which of the following statements is/are true about 59CO3+? (1) this ion has 27 protons (2) this ion…

A: We have to predict the correct option regarding given element.

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

A: Given:

Q: For the specific isotope ion 81Br", fill in the missing information below: Isotope symbol: 81Br…

A: For the specific isotope 81Br- :  Number of protons = ?  Number of neutrons = ?  Number of electrons…

Q: If element A has a charge of 4 and element B has a charge of -4 what would the proper ionic formula…

A:

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: An element has 76 protons, 114 neutrons and 73 electrons. Identify the element and the charge on it.…

A: The atomic number of an element is equal to the number of protons and electrons it has.

Q: Give the group name for each of the following elements:(a) krypton(b) selenium(c) barium(d) lithium

A: The group name for given elements has to be given.

Q: An ion has a mass number of 208 and an atomic number of 82, hov many electrons does it have if the…

A: Introduction- Negatively charged particle is an electron. The total number of electrons in an atom…

Q: Write the atomic symbol for each of the following:  an atom with 47 protons and mass number of 107…

A:

Q: What is the charge of the ion most commonly formed by S?a) 2+                          b) +…

A: Given: Common charge of sulfur

Q: E is a made up element and contains 6 valence electrons Y is a made up element and contains 7…

A:

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

A: Calculate the mass number, atomic number, electron, charge of the following--

Q: How many protons and neutrons are in the nucleus of each of the following atoms? In aneutral atom of…

A: The given elements are: a. 79Brb. 81Brc. 239Pud. 133Cse. 3Hf. 56Fe

Q: 6. What element has 18 electrons when it forms an anion with a 2- charge? How Can I.rei Write the…

A: Number of electrons in any particular element is basically considered as atomic number of that…

Q: The purpose of this assignment is to help you become more familiar with the atomic structure of some…

A:

Q: Three unknown species (referred to as X, Y, and Z) have the following properties. Proton Neutron…

A:

Q: Give the name of the formula of elements 1, Co Cl2 2, N2 H4 3, BF3 What is the meaning of isotopy?

A: Welcome to bartleby !

Q: QUESTION 3 Which of the following traits characterises the halogens? O very high melting point the…

A: F, Cl, Br, I and At are called halogens

Q: The charge on an atom that has 15 protons and 18 electrons 0-3 O-18 +15 O +3

A: Find out the charge for element which has proton and neutron.

Q: When neutral atoms lose electrons they become O anions O radioactive O negatively charged O…

A:

Q: Which choice(s) of the following have 18 electrons O scandium3+ Calcium O Argon O Argon ion O…

A: A multiple choice question based on periodic table, which is to be accomplished.

Q: How many electrons are in the ion?   What is the name of the element?

A:

Q: Write a isotope symbol for A cation with a charge of 3+, 41 electrons, 60 neutrons

A: Atomic number is equal to the number of protons present in an atom. In a neutral atom,number of…

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…