Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in order of decreasing size. atoms or ions in order of decreasing size atoms or jons CI, Mg. S O.0.0 Rb, Rb. Cs O.0.0 sC1, s 0.0.0

Q: Part 1 What is the mass number of this atom? Part 2 1.01 What is the symbol for this ion? Enter both…

A: Mass Number of Helium (He):The mass number of an atom is the sum of the number of protons and…

Q: 1 What is the charge on an atom of beryllium in an ionic compound? B. 2+ A. 1+ C. 3+ D. 4+ 2 What is…

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Q: Which of the following ions has the largest size? Select an answer and submit. For keyboard…

A: Given ions of elements Cs,K,Li,Na and Rb are members of group 1 of the periodic table. Also known as…

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: 1. Compare and contrast elements and compounds. Use an example of each in your explanation.

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

Q: 1. Calculate the average atomic mass of rubidium. Rubidium has two isotopes, 85Rb and 87Rb. 85Rb has…

A: Given Rubidium exist in two isotopic forms as 85Rb and 87Rb .  Atomic mass of 85Rb ( A1) =  84.912…

Q: When cesium reacts with chlorine to form an ionic compound, each metal atom loses ____ electron(s)…

A: Ionic bond is form between two elements having large electronegativity difference.  Ionic bond is…

Q: an imaginary element (x) on mars is composed of 2 isotopes 34.14% of isotope x34 with a mass of 34.0…

A: Given: 1) There are 2 isotopes of the element (x), one is x34, and the other is x37 2) % Abundance…

Q: The volume of an atom is determined by O the period it occupies in the periodic table. O the number…

A: Solution-  size of the nucleus in order of 1 femto meter (10-15 meter) and the size ofthe atom is 1…

Q: Using the periodic table, identify the name and symbol of the three neutral atoms given their atomic…

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Q: There are ______ protons, ______ neutrons, and ______ electrons in an ion of 26 56 X 2 + . Group of…

A: Given : element 5626X which is forming ion with charge 2+ Since the number written on top left of…

Q: g0. Which of the following is NOT true of the Sc* ion? a) It has the same electron configuration as…

A: We know that, due to positive charge on atom, number of electron decreases. So,

Q: elements listed, and using a periodic table, how many protons, electrons and neutrons does each…

A: Given b. Iridium c. lodine d. Radium We need to write the number of electron , protons and neutrons…

Q: How many electrons are in bromine's (atomic number 35) next to outer shell (n=3)? 02 04 08 18

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

A: Atomic number of both O and O2- is 8 Electron present in O atom is 8Electron present in O2- is 10So…

Q: Determine the number of neutrons, protons, and electrons for a bromide ion that has a mass number of…

A: Atomic symbol of bromide ion = Br- Mass number = 78  Number of(protons + neutrons)= mass  Atomic…

Q: An atomic cation with a charge of +2 has the following electron configuration: 15-2s 2p 3s 3p%3d6…

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Q: How many valence electrons do the atoms of the following elements contain? 4 valence electrons 1. S…

A: the electrons present in the outermost shell or valence shell of the atom is known as valence…

Q: Give the name of the elements in each group of three element symbols. a. Au, At, Ag b. N, Na, Ni c.…

A: The name of the given element symbols in each group has to be given.

Q: B. Use the information provided for each isotope to complete the chart. Atomic Symbol 35C1 88Cr…

A: Note : Dear student since you have posted multiple questions, we will solve only first question for…

Q: If the number of electrons in an atom is 51 and its atomic mass number is 125, calculate How could…

A: The element of the electrons 51 and mass number 125 represents the Antimony (Sb). Antimony belongs…

Q: Use the information below to calculate the atomic mass of magnesium. Isotope Isotope Mass (amu)…

A: Given   The atomic mass for magnesium-24 is 23.985 amu and abundance is 78.70. The atomic mass for…

Q: Write the number of e- and p+ in a. N-3 ion V+5 ion c. Fe+3 ion d. C-4 ion. (Numbers are superscrip

A: In N3-  Electron = 4  Proton = 7;  In V+5  Electron = 18  Proton = 23  In Fe+3  Electron = 23…

Q: atomic number = 17, atomic mass = 35.45, and symbol = Cl. %3D a. What is the element's name? b. How…

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Q: . Using the average atomic mass of carbon, calculate the mass (in amu) of 227 carbon atoms. amu .…

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Q: What is wrong with this model ?

A: Atom consist of nucleus that consist of protons and neutrons. Electrons revolve around nucleus.…

Q: 57 58 La Ce Lanthanum 138.90047 Cerlum 140.11 Ptable 90 89 Ac Actinium (227) .com Th Therum 21203M…

A: Atomic mass of Pd is 106.42u and atomic mass of Cd is 112.411u  Ag has atomic mass of 107.86 u…

Q: Predict the charge of the ion most likely to form for each. a. F b. Sr c. Group VA d. The Noble…

A: Interpretation: We have to predict the charges on the species.

Q: In which set of elements would all members be expected to have very similar chemical properties? a.…

A: We have given that   In a periodic table element are arranged in order of increasing atomic number,…

Q: Atomic Number

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Q: Which of the following species has the same number of electrons as Cl⁻? A) S²⁻ B) Br⁻ C) F⁻…

A: Number of electrons in a cation= atomic number – magnitude of charge Number of electrons in a anion=…