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- How do Group VIA elements form ions? A) They lose protons B) They gain two protons C) They lose two electrons D) They gain two electrons Which substance consists of anions and cations? A) CaF2, Calcium Fluoride B) Br2, Bromine C) Ag, Silver D) SiO2, Silicon Dioxide A newly discovered element is assigned to Group VIIA (Group 7A) in the periodic table. What charge will ions of this new element have? A) 1- B) 2- C) 1+ D) 2+ Reactions occur when atoms, ions or molecules collide. In a reaction between magnesium and bromine atoms, how many atoms of bromine will react per atom of magnesium? A) 1 B) 2 C) 3 D) 4 Which compound exists as a solid crystal lattice of cations and anions at room temperature? A) BrCl B) CaCl2 C) SCl2 D) SiCl4Which one of the Atoms shown would be most likely to form an anion with a charge of -1? Please select from the image below.A monatomic ion with a charge of -2 has an electronic configuration of 1s22s22p63s23p64s23d104p65s24d105p6.This ion is a(n) _______cation anion.What is the chemical symbol of the noble gas this ion is isoelectronic with? Xe.What is the formula of the ion? Ba2+.
- You have just discovered a new element, "Zoomfatigueium" (Zo). It's a non-metal that has similar properties to those elements in Group 14 of the periodic table. The following questions are about species containing this element. 1) If Zo can be found in Group 14, then how many valence electrons does it have? 2) Zo forms a polyatomic ion with the formula Zo03 called the "youremuted ion." You are not sure of its charge until you discover that it forms the ionic compound MgZoO3. What must be the charge of the youremuted ion? 3) Draw a plausible Lewis structure for the yourmuted ion, using the answer to Question 2 to guide how many valence electrons must be represented in the structure. 4) Based on your answer to Question 3, answer the following questions about the youremuted ion: a. Molecular geometry of Zo b. Hybridization of Zo 0- Zo -0 bond angles C. 5) The Zo - O single bond has a length of 143 pm while the Zo -0 double bond has a length of 123 pm. In the youremuted ion, the Zo - O…Write the full clectron configuration for P-. Bredback Start by determining the electron configuration of the neutral atom. full electron configuration: 1s2:°2p°3s°3p® Then, note whether electrons are gained or lost from the neutral atom electron configuration by looking at the ion charge. What is the atomic symbol for the noble gas that also has this clectron configuration? Lastly, add or remove electrons from the neutral configuration to form the ion configuration. atomic symbol: 18Ar40 Incerrect please explain than solvelHow can I tell the charge of NaCH3COO, NaCl, and HCH3COO? Just in general I am not sure of how to determine the charge of compounds, so if that could be explained?
- 1. Silicon has the electronic configuration 1s2 2s2 2p6 3s2 3p2. Discuss how you can determine that 1s2 2s2 2p6 3s2 3p2 is the electronic configuration for silicon. 2. What is a reason potassium tends to lose one electron to form a +1 ion K+1? What is the reason chlorine tends to add one electron to form the -1 ion Cl-1 ? Hint: They are the same reason. 3. In the abbreviated electronic figure for phosphorus [Ar] 3s2 3p3 how do you know what are the core electrons? 4. A student got a problem wrong. They were asked, “How many grams of MgCl2 (molar mass = 95.21 g/mol) are needed to make 3.16 L of a 0.500 M MgCl2 solution?” The correct answer is 150. but the student got 1.58. What mistake did the student make? 5. To solve the following problem what is the reason you must subtract the vapor pressure of water, 24 torr, from the total pressure, 747 torr in order to solve the problem? “A 500.0-mL sample of H2 gas is collected over water at 298 K and 747 torr. What volume would the…How many electrons would the most stable cation of Ca haveRead each statement or question below carefully and fill in the blank(s) with the best answer by choosing the words inside the box. cation 1 -ide -ine nonmetals ion ionic compound anion metals root name
- Sodium (Na) has 2 electrons in its inner shell, 8 in its next shell and I in its outer shell. What type of ion would it form?How many electrons must nitrogen gain to be ch ome like its closest noble gas,Neon?VLyF6hb7zMBKtQMf9NSVnCPXQdn38aqqV9HGFw/viewform?hr_subr Classes Which of the elements listed below would have atoms with the highest electronegativity? * O Calcium Neon Vanadium Sulfur
