CHEM-103

Talk about carbon and boron

1. For each pair of elements listed determine if they will form an ionic (I) or covalent (C) bond.    2.General Properties of Ionic and Covalent Compounds (Use THIS LINK to complete the table)  https://www.thoughtco.com/ionic-and-covalent-compounds-properties-3975966

Do question 6 and 7 pleas if you cant do both of them just return the question please

The physical and chemical properties of a molecule depend on its structure. Here are two ball-and-stick models for two compounds that have the same molecular formula but different structures and different chemical properties. Ethanol Dimethyl ether

Answer all

How can we answer questions 4 ? And what are the steps to determine the shape of a molecule given the formula? Explain and show few examples

Conductivity of Solutions Virtual Lab Background:     Some properties may be used to predict the type of bonding in a substance.  These properties are phase at room temperature, melting point, solubility in water and electrical conductivity.  Atoms can bond by either the transfer of electrons or the sharing of electrons. Atoms which transfer electrons form ionic bonds while those which share electrons form covalent bonds.   A conductivity apparatus will be used in this experiment to determine if a substance conducts electricity.  When the electrodes of the conductivity appartus are placed into a substance that conducts electricity the bulb will light up.  This occurs because electricity travels from one electrode through the substance to the second electrode completing the circuit and lighting the bulb.  If the substance does not conduct electricity then the circuit is not completed and the bulb will not light up.   Objective:    Several physical properties of different compounds will…

Please do part a.

No Plagirism Please! Group 1 elements have an average electronegativity of 0.84 (not including hydrogen). Group 17 elements have an average electronegativity of 2.99. These two groups often form bonds. Given this information, which kind of bond will they likely form (ionic or covalent), and what evidence supports your claim? If it is ionic, then include which group gives up its electron to the other group. In three to five sentences, explain your reasoning.

What is the chemical structure of picric acid? What is your official and usual nomenclature(not picric acid)?

Q5. Use your knowledge of formation of ionic compounds and the cross over method. Show how Ca3(PO4)2 and CaCO3 were formed. Load a picture of your working (2)

045 Worksheets Learning objectives Use position of element in periodic table to predict properties of elements Understand effective nuclear charge and its role in the size of an atom or ion and many other properties of elements Understand ionization energy and be able to predict trends Be able to predict higher/lower values of size, ionization energy, electron affinity, electronegativity and lattice energy Model 1 Repulsion Attraction The position of elements in the periodic table based on electron configuration creates a series of trends in behavior that are important r to understand as they affect many properties of elements. These properties are determined by the attraction of the outermost electrons to the protons in the nucleus and the electron-electron repulsion. Nucleus Z Outer electrons a. Trends Valence electrons b. You move down a column +3 This is known as Effective Nuclear Charge Compare sodium with aluminum. Which one would you predict to have a higher effective nuclear…

While investigating the properties of other diatomic molecules, the student finds the diagram below, which shows the potential energy of two iodine atoms versus the distance between their nuclei. The student also finds that the I-I bond energy is slightly less than the F-F bond energy. The student incorrectly sketches the potential energy curve for two fluorine atoms, shown by the dotted line in the diagram.

< Complete the following structural formula for a neutral molecule by adding H atoms to complete the valence of each atom. Do not introduce any double or triple bonds. Then complete the Lewis diagram by adding any unshared electron pairs needed, so that each atom except H has a complete octet. [Review Topics] [References] Use the References to access important values if needed for this question. Br Br C—C— Write the molecular formula in the order CHX, where X stands for Cl or Br. Submit Answer The number of unshared pairs in the Lewis diagram unshared pair(s). Retry Entire Group 9 more group attempts remaining Previous Email Instructor Next Save and E

The following Lewis diagram represents the valence electron configuration of a main-group element. X (Express your answer as a chemical symbol.) The element in period 3 that has this valence electron congfiguration is Cengage Learning Cengage Technical St

Please do part d quickly

Answer question 7 or 8 please make your handwriting clear

Sodium ethoxide, CH3CH,ONa, contains both ionic and covalent bonds. Draw the Lewis structure of this compound. Explicitly draw all H atoms. Draw cations and anions in separate sketchers. Do not use the square brackets tool in your answer. P opy aste

Florine and Sodium ions form a polar covalent bond. Use a periodic table and your knowledge of electronegativity to describe why this statement is true. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 10pt A v ... x² X, 8 ABC +, - 田田田区x Ť {;} 田

Look very closely at those images. Look at those lines and look at those electrons. Use the image attached to help.

Please answer question 1 and 3 please let it be very short answers