Arrange the following ions in order of increasing ionic radius: chloride ion, potassium ion, phosphide ion, calcium ion.

Q: ELEMENT X HAS AN ATOMIC NUMBER OF 9 1. How many atomic orbitabls does atom X have? 2. How many…

A: Given, Atomic no. = 9  then,

Q: Which neutral atom is isoelectronic with each of the following ions: F, Zr, Mn, I, Pb²+? Express…

A: Which neutral atom is isoelectronic with the given ion---

Q: Which of these elements is most likely to form ions with a2+charge?(a) Li (b) Ca (c) O (d) P (e) Cl

A: The charge shown by the elements is its ability to gain or lose an electron to stabilize itself.…

Q: Predict the larger ion in each of the following pairs. (a)   Rb+ or Sr2+     _________rubidium…

A: Atomic radius trends in periodic table:Atomic radius decreases (caused by the number of protons and…

Q: Which of the following atoms would be expected to form negative ions in binary ionic compounds and…

A: NOTE- As you have posted multiple independent questions in the same request, we will solve the first…

Q: 3. The ions given below contain ions with co-electrons. Identify these pairs. Fe2 +, Sc3 +, Ca2 +,…

A: The cation is formed by the loss of electrons. The number of electrons lost by the cation is equal…

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

A: Isoelectronic species are those species which have same number of electrons.   Counting the number…

Q: Which of the following species has the lowest ionic radius? а. Ве Be 2+

A: Left to right in the periodic table, atomic size is decreases. Up to down in the periodic table,…

Q: I'm lost please help!  Identity the group number for elements with the following ending for their…

A: Looking at the periodic table carefully we can answer the questions well.

Q: For each of the following sets of elements, identify the element expected to be most electronegative…

A: For each of the following sets of elements, identify the element expected to be most…

Q: What is the total number of valence electrons in SF 6?     46     48     51     52     56

A: Valence shell is the outermost shell of an element. The electrons present in the valence shell of an…

Q: Which neutral atom is isoelectronic with each of the following ions: Ga³+, Ca²+, P3+, K+, Pb²+?…

A: Which neutral atom is isoelectronic with each of the following ions ::

Q: what is the possible negative ion for the following positive ions? Mg2+ , Ca2+ , Cs+ , Sr2+

A: The chemical compound must have a net charge of zero that means the net charge of positive ions and…

Q: Arrange the atom and ions according to radius. K K- K+

A:

Q: Arrange the following ions in order of increasing ionic radius: cesium ion, telluride ion, iodide…

A: The ionic radii of given ions are as follows; Caesium ion Cs+ = 1.67 Angstrom Telluride ion Te2+ =…

Q: What noble gas has the same electronic confi guration as each ion? a. O 2 − b. Mg 2 + . Al 3 + d.…

A: (a)  O2- = Neon gas Number of electrons = 10  (b) Mg2+ = Neon gas Number of electrons = 10  (c) Al3+…

Q: Soalan/Questlon 2 a) Silikon tetrafluorida (SiF.) terbentuk apabila empat atom fluorin berkongsi…

A: For prediction of the answer to the question,  one has to know the electronic configuration of the…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: The atomic size of the atom of the element increases on moving from top to bottom and decreases on…

Q: Arrange the following ions in order of increasing ionic radius: aluminum ion, nitride ion, oxide…

A: Give these ions are the isoelectronic  ionic size of the isoelectronic species - calculated on basis…

Q: 12. Draw the Lewis dot symbol for boron, B, how many unpaired electrons are there? A. 1 B. 2 C. 4…

A: Lewis structure represents the bonds through electron dots.

Q: Write the decreasing order for thr following elements (C, K, O, N, Br, F) according to: a) Their…

A: Here we have to write the decreasing order of electroneativity, atomic radius, ionization energy and…

Q: (1) Using NOBLE GAS notation write the electron configuration for the iron(II) ion. (2) Arrange the…

A: The answer to the following question are given as:

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

A: Atomic radius: The distance between the center of the nucleus and the outermost electron is known as…

Q: The octet rule means that the valence electrons of atoms react in a way to get to electrons. There…

A: The atoms having octet of electrons in their valence shell are said to be stable.

Q: X Y Y For parts a to f, consider the loss of electrons by atoms of the element X, and a gain of…

A: a) Y has the higher electronegativity, because 17th group elements are highly electronegative atoms…

Q: Write the electron configuration for each ion. a. O2 - b. Br - c. Sr2 + d. Co3 + e. Cu2 +

A:

Q: What is the number of valence electrons in a PO^3- 4 ion?

A: The electron present in the outermost sell is known as the valance electron.

Q: Draw dot-and-cross diagrams for the ions in the following ionic compounds. Show only the outer…

A:

Q: A magnesium ion (Mg2*) has electrons. a. 9 b. 10 С. 12 d. 13

A: The number of electrons on a neutral atom can be determined as follows: The number of electrons on…

Q: This activity focused on molecular (covalent) compounds, while an earlier activity addressed ionic…

A: The names of the compounds given are,

Q: How many valence electrons are in the ion NO3-? (7

A: • We need to determine the total valence electrons in NO3- ion    • Nitrate, NO3- ion contains one…

Q: Rank the following five ions in order of decreasing radius. Use the periodic table as necessary.…

A: Atomic radius: The atomic radius of an element decreases as we move from left to right in a period…

Q: Arrange the atoms and/or ions in the following groups in order of decreasing size. 1. S2-, Cl-, K+…

A:

Q: the chemical formula of the ionic compound formed between the following pairs of elements: a) Al and…

A:

Q: For salt (NaCl) and sugar (sucrose, C12H11O11) added to water, draw pictures of what you expect the…

A: Given information: NaCl and sucrose molecules.

Q: Fynlain the change in radius when a sodium atom becomes a sodium ion and when a bromine atom becomes…

A: Atomic number of sodium,Na,is 11. Thus,it has 11 protons which pull the 11 electrons outside the…

Q: n the ion SF5- The S hasQuestion Blankbonding pairs of electrons andQuestion Blanklone pairs of…

A: Given: The ionic compound is: SF5- To find: no of bonding and non bonding electron pair  in S atom.…

Q: For each of the following species, give the total number of electrons, the number of electrons in…

A: For neutral atoms number of electrons = Atomic number so for Xe number of electrons =54 For Cations…

Q: What has the highest number valence electrons: N, Ca, O, As, or I?

A: Valance electrons :-  The number of electrons present in outermost shell of atom are called valence…

Q: Calculate the coulombic attractive force between a pair of Na+ and Cl- ions that just touch each…

A: Z1 is number of electron charge units on ion Na+ Z2 is number of electron charge units on ion…

Q: Choose the answer that correctly fills the blanks in the following sentence: Based on the octet…

A:

Q: Arrange the following ions in order of increasing ionic radius: sodium ion, fluoride ion, oxide…

A: Introduction: Ionic radius: An ion is formed when an extra electron is added to the atom or…

Q: As you move from left to right across the periodic table, the number of valence electrons in an atom…

A: As you move from left to right across the periodic table, the number of valance electron in an atom…

Q: ionic bonds are formed only between metals and nonmetals True False

A:

Q: 5. Complete the table below. Formula Valence electrons Total number of Lewis Dot for each atom…

A:

Q: Which neutral atom is isoelectronic with each of the following ions? H-, Ca2+, In3+, Ge2+

A: Isoelectronic species are known as chemical species which have the same number of electrons. An ion…

Q: Does a cation gain protons to form a positive charge or does it lose electrons? Iron(III) sulfate…

A: If any atom donates electron, then the number of protons, i.e. positively charged particles becomes…