Consider an ion with the symbol Y³ formed from a representative element (Y is an unknown element, not yttrium). Part C If Y is in period 4, what is the element? You may want to reference (Pages 176 - 180) Section 6.3 while completing this problem. Express your answer as a chemical symbol. ΑΣφ

Q: An atomic cation with a charge of +2 has the following electron configuration: 1s 25 2p°3s 3p°3d² 6.…

A:

Q: Which of the following statements about the formation of ions is true?     Group 2 (or 2A)…

A: The charged species are termed as ions. Ions can be negatively charged or positively charged. The…

Q: Which of these is the smallest? Arsenic Selenium Bromine Krypton Iodine

A: Answer:- This question is answered by using the simple concept of variation of atomic size across…

Q: The periodic table is organized such that elements in the same group have the same ionic charge.…

A: All elements have a tendency to attain filled valence shell. Hence, elements react to attain a…

Q: Write the symbols for the ions with the following number of protons and electrons:a. 8 protons, 10…

A: Write the symbols for the ions with the following number of protons and electrons: a. 8 protons, 10…

Q: Which ions have the same number of electrons as an atom of krypton Se^2- As^3- Ca^2+ K+ Which…

A:

Q: est atomic radius? Sasugt olingie po 0yc e atements is incorrect? ence electrons will form an ion…

A: Tl has highest atomic radii because it belongs to period 6

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: Which of the following sets of cations is in order of increasing ionic radii. (A) Ba2* < Mg2+ < Ca²+…

A: We have to predict the order of radii.

Q: Referring only to the periodic table, give the ionic charge expected for each of these…

A: according to periodic table. charge of each ion depends upon group number and charachteristics.…

Q: An atomic cation with a charge of +1 has the following electron configuration: 2 [Kr] Ss°4«®5p? What…

A: In an atom, the atomic number forms the identity of the element. Atomic number is the number of…

Q: How many valence electrons does an element in each group contain: (a) 2A; (b) 4A; (c) 7A?

A: (a)  Group 2A : Valence electrons = 2 (b)  Group 4A : Valence electrons = 4 (c)  Group 7A : Valence…

Q: Which of the following pairs of atoms and ions are isoelectronic?    Li+, Rn    S2−, Cl−…

A: Isoelectrons are atoms, molecules or ions that have same number of electrons in their shell or…

Q: Part A:  What is the formula for Calcium Fluoride?   Part B:  What is the ratio of Calcium ions to…

A: let see all the parts one by one

Q: 2.) What is the number of free electrons per copper atom? Assume a density of 8.9 g/cm³ and an…

A:

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: Which family in the periodic table has the following general electron configuration, [NG] ns²…

A: The arrangement of the elements in the order of their increasing atomic number or atomic masses such…

Q: What is the identity of element X if the ion X* contains 18 electrons and 19 protons? O K Ca Mg Na

A: As the given ion contains X+ contains 18 electron and 19 proton , X+is formed by loss of one…

Q: 13. Below, the ionic radii of several ions are shown relative to the radius of neutral atoms of the…

A: Given :ionic radii of several ions.  To find : Reason for the order of ionic size. Solution : As we…

Q: Write an equation that shows the formation of a cesium ion from a neutral cesium atom.

A: The chemical equation that shows the formation of a cesium ion from a neutral cesium atom is

Q: Considering only ions with charges of +1, +2, -1 and -2, or neutral atoms, give the symbols for 4…

A: Since isoelectronic species are those which have same number of electrons Since Kr has 36 electrons…

Q: Define the term main group element. Then, determine the charge that an atom of each of the following…

A: We have been asked to define the term main group element and to assign charges to the atom when…

Q: Which group of ions contains only ions you would predict as “stable”? A. Ca2+, Fe3+,…

A:

Q: What species fi ts each description? a. a period 3 element that forms an ion with a −1 charge b. an…

A: a. a period 3 element that forms an ion with a −1 charge = Cl  It forms Cl- ion.   b. an ion from…

Q: 1. Write the number and name (if any) of the group (family) to which each of the following elements…

A: In the periodic table,  The vertical columns are called groups. There are 18 groups in total in the…

Q: Which formula/name pair is incorrect? O a. SnSe2 tin (IV) selenide O b. TiBr3 titanium (III) bromide…

A: Roman number, for the given case, is used for the oxidation number of the central atoms in the…

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: 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: The atoms of a certain element each contain 11 protons and I valence electron. Which statement…

A: Given 11 protons  and 1 valence  electron. For neutral  atom  No of protons  = Atomic  number Atomic…

Q: An atomic anion with a charge of-2 has the following electron configuration: [Ne] 3s 3 p° What is…

A:

Q: How many F minus ions will one PB+ ion be paired?  2) An Ionic compound has one Al+3 as its cation.…

A: An atoms binds with another atom by following their valency .

Q: True or False 1. -The electron configuration of an atom could give the total number of electrons in…

A: The electronic configuration is the arrangement of electrons in different energy levels in an atom…

Q: An element Y reacts with Hydrogen to form a compound with a formula of HY. In which group in the…

A: An element Y reacts with Hydrogen to form a compound with a formula of HY. in HY, if we dissociate…

Q: Identify these elements based on their locations in the periodic table. Give the symbol, not the…

A: Symbol of the given locations---

Q: An atomic anion with a charge of -2 has the following electron configuration: | 10 6 [Kr] 5s²4d¹05 p…

A: What is the answer for this specific problem?

Q: While the most common isotope of nitrogen has a mass number of 14 (nitrogen-14), a radioactive…

A: a) Since the isotopes are defined as the elements with same atomic number but different mass number.…

Q: What species fi ts each description? a. a period 2 element that forms a +2 cation b. an ion from…

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: Give the name, atomic symbol, and group number of the ele-ment with the following Z value, and…

A: Determination of group number is as follows: a)For s-block elements: group number is equal to the…

Q: An atomic anion with a charge of –1 has the following electron configuration: | 10 [Kr] 5s 4d"5 p°…

A:

Q: Answer true or false. (a) For Group 1A and Group 2A elements, the name of the ion each form is…

A: Since you have posted multiple questions we will solve first three subparts for you. To get…

Q: What happens to the radius of an atom when it becomes a cation? An anion? Sizes of atoms and their…

A: An anion is a species which is negatively charged whereas a cation is a species which is positively…

Q: Which element when combined with Flourine, would most likely form an ionic compound?  bromine…

A: Ionic compounds are those compounds which are formed by the transfer of electrons between the…

Q: 22. The chemical formula of an ionic compound containing magnesium is Mg.P20r. The formula/symbol…

A: Given ionic compound = Mg2P2O7 The given compound is magnesium pyrophosphate.

Q: How many electrons and protons are contained in each cation? a. Au + b. Au 3 + c. Sn 2 + d. Sn 4 +

A: When a neutral atom tends to lose an electron then it leads to the formation of a positive charge…

Q: Match each element with the charge it will have when it becomes an ion. nitrogen xenon magnesium…

A: Write charge when atom present into ion form ?

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.