What species fi ts each description? a. a period 3 element that forms an ion with a −1 charge b. an ion from group 2A with 36 electrons c. an ion from group 6A with 18 electrons

Q: Locate each group on the periodic table and list the chargeof the ions it tends to form.(a) Group…

A:

Q: Consider the following atoms: I. 325 II. 65Cu II. 32CI IV. 63Cu V. 59CO Which of the atom(s) above…

A: 1) protons = 16, neutrons = 16  2) protons = 29, neutrons = 36 3) protons = 17, neutrons = 15 4)…

Q: what would the formula be for the compound Zinc Rickandmortyide be? (Rickandmortyide would be an…

A: Ionic compounds are formed by the transfer of electrons from a metal to a non metal. In the name of…

Q: c. Given the three (3) molecules, how are these species related?

A:

Q: (6) (1) (7) Br Br

A:

Q: Which of these species make an isoelectronic pair: CI, O²-, F, Ca²+, Fe³+? Ca²+ and Fe³+ Cl and Ca²+…

A:

Q: Hiw many electron does chlorine needto gain to be CV ome an ion?will it become a positively charged…

A: For chlorine to acquire one electron than to lose seven is much easier. In this manner, it will in…

Q: Using the periodic table to guide you, predict the chemicalformula and name of the compound formed…

A: (a) Gallium is a compound of group 13, it has a tendency to donate 3 electrons in order to achieve a…

Q: Group II A (Group 2) metals form ions by a. gaining 2 electrons  b. gaining 6 electrons  c.…

A: Alkaline earth metals are placed in group 2 in modern periodic table.These metals has two electrons…

Q: nas the same electron configuration as Ar sa scandium ion with three positive charges s considered…

A: The question is based on the concept of atomic structure. we have to answer the following questions…

Q: When atoms of the following elements form ions, what charge or charges would the ions have? a.…

A: Charge is determined based on octet rule

Q: . Flouride C. Potassium D. Oxide E. Silver F. Aluminum G. Bromide H. Cesium I. Hydride J. Lithium

A: Cation is positively charged species while anion is negatively charge species.  Cation: Hydrogen,…

Q: Which of them following places the ions in order from smallest to largest? A. Mg2*, Na*, p3¯, cr B.…

A: Ionic radius provides information about the distance of electrons in the valence shell from the…

Q: Calculate the formula mass (in amu) for iron (II) perchlorate. or

A: Formula mass for iron (II) perchlorate is calculated as shown below:

Q: What happens when the compound HCl is formed?  Hydrogen transfers two electrons to chlorine.…

A: Hydrogen reacts with chlorine to form hydrogen chloride. The equation for the balanced chemical…

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: How many electrons does the ion Fe +3 ( A=56, Z= 26) have?  (a) 23  (b) 26  (c) 29  (d) 56

A: Interpretation: The number of electrons in the Fe+3 is to be determined. A = 56 Z = 26

Q: 82. Predict the ion formed by each element.(a) F(b) N(c) Mg(d) Na

A: (a) F   +    e-  -------&gt;  F-(b) N  +  3e-  -------&gt; N3-(c) Mg      --------&gt;   Mg2+    +…

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

A: -&gt;For isoelectronic species if positive charge increases then size decrease. -&gt;For…

Q: 8.2 Use the second member of each group from Group 1A to Group 7A to show that the number of valence…

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

Q: Which will form an ion with a +2 charge? A. S B. Br C. Ba D. Cs

A: We have to predict the element which will form ion with +2 charge.

Q: Indicate the number of electrons lost or gained when each of the following atoms forms an ion. a.…

A: Explanation to the correct answers are given below:

Q: Predict the ion generally formed by (a) Sr, (b) S, (c) Al.

A:

Q: 1. Write the whole e- config for the element K. Also write the whole config for the ion K+ .

A: K is potassium with atomic number 19 .

Q: d. What is the charge for all of the elements in Group 2? e. What is the charge for all of the…

A: d) The general electronic configuration of group 2 elements is ns2. Thus they lose two e- and form…

Q: ess Ieactive! . Which main group elements have 1 valence electron? 6 valence electrons? Without…

A: 1. The group 1A have one valence electrons. The main group elements are in group 1 – Hydrogen (H),…

Q: a) What is the chemical name of this element? b) Write the electron configuration of X'. c) Write…

A: The diagram of element “X”, that shows the electron present in different shells, is shown below. In…

Q: 1- A) 12 B) 22 YERAS NARKOS C) 23 D) 24

A:

Q: A. Atoms to Ions, gather information and predict charges and names of ions. Table A1: Electron Dot…

A:

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: Species Number of electrons Number of electrons Number of core in valence shell electrons Ca Cs+ p3.…

A: A neutral atom consists of same number of protons and electrons. When the atom loses electron, it…

Q: give all the formulas of all the compounds containing no ions other than K+, Ca2+, Cl-, and S2-

A:

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: How many protons, electrons, and neutrons does the Vanadium +5 ion (V) have?

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

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

A:

Q: lonic compound Metal Number of cation nonmetal number of anion total total charge = 0 valence…

A: Ionic compounds are formed with the help of cation and anion. The ionic charge is generally balanced…

Q: An atomic anion with a charge of -3 has the following electron configuration: What is the chemical…

A: We have to predict chemical symbol, electron present , electron in 1s .

Q: Explain what happens to the lithium atom when it becomes an ion and why this happens? Liaba (adins…

A: Cation :-  When a neutral atom loses an electron it forms positively charged ion known as cation…

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: State whether each of the following lost or gained electrons when they formed in ionic charge. (be…

A:

Q: 1. Covalent bonds havemelting andpoints. 2. A positive ion has electrons and a negative ion has_…

A: 1.1. co valent bonds have lower melting and lower boiling point . 1.2. positive ion has less…

Q: 6.7 Propose three (3) tests that could be used as evidence to support the claim that the cation…

A: Propose three tests that could be used as evidence to support the claim that the cation present in…

Q: Water contains small amounts of the element fluorine, which helps to strengthen tooth enamel and…

A: Given : Fluorine is added to water in small quantity.

Q: The compound MgCl2 is named dimagnesium chloride. magnesium chlorine. magnesium (II) chloride.…

A: MgCl2 is an inorganic and ionic compound . It consists of ions of magnesium and ions of chlorine.

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: Explain how the radius of an atom changes upon losing electronsto form a cation or gaining electrons…

A: Atomic radius is defined as the distance from the nucleus of an atom to the valence shell of an…

Q: Identify the ions in (NH4)2Cr2O7. a) N3-, H+, Cr3+ and O2- b) N3-, H- , Cr3+ and O2- c) NH4 + and…

A: There will be always two types of ions in an ionic compound. One is a cation having positive charges…

Q: 1s°25°2p°3s°3p°3d°4s' 6. 6. hat is the chemical symbol for the ion? w many electrons does the ion…

A: Cation is positive charged species ,it is formed due to loss of electron from the valence shell of…

Q: For the following pairs of ions, use the principle of electrical neutrality to predict the formula…

A: According to the law of electrical neutrality, in an ionic solution, an amount of negative charge…

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.