How can sports be used to control youth restiveness? Give 3 examples. Answer (1 of 4): Yes, any atom can have an electron removed if given enough energy. It is. Is the name of the first element in the compound different from the element? So far, we have discussed elements and compounds that are electrically neutral. Which of the following elements forms an ion that is smaller than its atom? Cations from when an atom loses valence electrons. The ionic character matches that of caesium chloride, which has an electronegativity difference of 2.3. Solved Determine the number of Ca2+ and Brions required to - Chegg (a) Be (b) Na (c) N (d) S (e) Ca (f) Se (g) Rb, Which element would have physical and chemical properties similar to chlorine? Explain. Which group contains only elements that will form cations in ionic compounds? Explain. Third, there are some exceptions to the previous point. Which of these pairs of elements would be most likely to form an ionic compound? Second, most atoms form ions of a single characteristic charge. (a) Fr (b) Be (c) Br (d) Pt, An ionic bond will most likely form between elements from groups: a. CaCl2 because Ca is a +2 ion and Cl is a -1 ion, so in order to form a neutral ionic compound (add up to zero) you need two Cl ions for every Ca ion. For the ionic compound between Mg2+ ions and Cl ions, we now consider the fact that the charges have different magnitudes, 2+on the magnesium ion and 1 on the chloride ion. A species with an overall negative charge. Science Chemistry Which of the following pairs react to form ioniccom-pounds: (a) Cl and Br; (b) Na and Br; (c) P and Se; (d) H and Ba?. What is the most common oxidation state of the group 5 elements? All other trademarks and copyrights are the property of their respective owners. c) Given what you know about chemical bonding, write the formulas for the types of ionic compounds they would produce with each ot. Rh Br As Co Mo V In, Which pair of atom will combine chemically to give an ionic compound? A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. a. F, Cl, Br b. Fe, Cu, Ni c. C, N, O d. Al, Ge, Sb e. B, Si, As, Which element will form a covalent bond with nitrogen? Ionic formulas balance the total positive and negative charges. Give the charge each atom takes when it forms an ion. The element sodium, at least in its ionic form as Na+, is a necessary nutrient for humans to live. Enclosing the formula for the ammonium ion in parentheses, we have (NH, Because the ions have the same magnitude of charge, we need only one of each to balance the charges. Identify which noble gas configuration (He, Ne, Ar, Kr) each element would obtain. Classify the following elements according to whether they are a metal, a semimetal, or a nonmetal. (a) Barium and fluorine (b) Cesium and chlorine (c) Lithium and nitrogen (d) Aluminum and oxygen. For the ionic compound between magnesium cations (Mg2+) and oxide anions (O2), again we need only one of each ion to balance the charges. Question = Is if4+polar or nonpolar ? Cations and anions When a neutral atom loses one or more electrons, the total number of electrons decreases while the number of protons in the nucleus remains the same. c) Al and C. d) N and O. Which of the following pairs of elements are likely to form an ionic compound? Then, identify the anion and write down its symbol and charge. Which two elements have the same ground-state electron configuration? Hence they are the same element but the isotopes have dfferent masses. a. magnesium and fluorine b. nitrogen and sulfur c. oxygen and chlorine d. sodium and aluminum, Which of the following elements is most likely to form an ion that will then form an ionic bond with an ion of a Group 1A element? (a) phosphorus (b) fluorine (c) oxygen (d) magnesium. Many processed foods also contain significant amounts of sodium added to them as a variety of ionic compounds. How is it possible for mantle rock to flow? ; In an ionic compound, the negative and opposite charges of each . Become a Study.com member to unlock this answer! Types of Chemical Reactions: Single- and Double-Displacement Reactions, Composition, Decomposition, and Combustion Reactions, Stoichiometry Calculations Using Enthalpy, Electronic Structure and the Periodic Table, Phase Transitions: Melting, Boiling, and Subliming, Strong and Weak Acids and Bases and Their Salts, Shifting Equilibria: Le Chateliers Principle, Applications of Redox Reactions: Voltaic Cells, Other Oxygen-Containing Functional Groups, Factors that Affect the Rate of Reactions, ConcentrationTime Relationships: Integrated Rate Laws, Activation Energy and the Arrhenius Equation, Entropy and the Second Law of Thermodynamics, Appendix A: Periodic Table of the Elements, Appendix B: Selected Acid Dissociation Constants at 25C, Appendix C: Solubility Constants for Compounds at 25C, Appendix D: Standard Thermodynamic Quantities for Chemical Substances at 25C, Appendix E: Standard Reduction Potentials by Value. This is called the ionization energy, which describes the general reaction for any element X: {\rm{energy}} + {\rm{X}} \to {{\rm{X}}^ + } + {e^ - } The trend is that it requires less energy for larger elements (. AboutTranscript. People also asked Featured Questions Which of these elements are unlikely to form covalent bonds? PDF Writing Neutral Formulas for Ionic Compounds - My Chemistry Class a. Ar b. Br c. S d. O e. P, What element X is most likely to react to form the compound XF5? which of the following pair of elements could not react to form an Sodium C. Zinc D. Copper E. Magnesium F. D and E G. C and E H. None of the above. Can we see pic of female inserting a tampon? What distinguishes an element from a compound? The element sodium, at least in its ionic form as Na+, is a necessary nutrient for humans to live. In this lesson, learn what compounds and elements are, and see examples of each. Write the proper formula and give the proper name for each ionic compound formed between the two listed ions. When sodium atoms form ions, they always form a 1+ charge, never a 2+ or 3+ or even 1 charge. How do you determine whether or not pairs of elements can form ionic compounds? Do they have to give members warning before they bar you? How do you know whether a formulaand by extension, a nameis for a molecular compound or for an ionic compound? Which of the following elements is a transition metal? A species with an overall positive charge. Be+2 Cl-1 ------> these are the ions and their charges, Be+2 Cl-1 Cl-1 -------> make the charges add up to zero by The charges on the ions may be +1, -1; +2, -2; +3, -3; or even larger. Explain this behaviour. (Remember from our conventions for writing formulas that we do not write a 1 subscript if there is only one atom of a particular element present.) a. Which element forms the most compounds? Simple ionic compounds such as sodium nitrite (NaNO2) are added to cured meats, such as bacon and deli-style meats, while a compound called sodium benzoate is added to many packaged foods as a preservative. a) O b) Br c) P d) Ne, Which of the following elements is an alkali metal? Which of the following elements is most likely to form an ion that will then form an ionic bond with an ion of a Group 1A element? List three pairs of elements whose compounds should exhibit extreme ionic character. A. Li. Is beryllium (Be) a metal, a semimetal, or a nonmetal? Groups of atoms can have an overall charge and make ionic compounds. D. NI_3. 2 and 6 c. 3 and 4 d. 4 and 5 e. 5 and 6, what is the charge of the metal (M) in each of the following ionic compounds? a. Te b. I c. Br d. Cl e. S, Which of the following elements is most likely to form an ion with a -2 charge? Which of the following pairs react to form ioniccom-pounds: (a) Cl and Br; (b) Na and Br; (c) P and Se; (d) H and Ba?. Which of these pairs of elements would be most likely to form an ionic compound? Explain. a. Ca and Br b. This problem has been solved! A proper ionic formula has a cation and an anion in it; an ionic compound is never formed between two cations only or two anions only. When they do, they become monatomic ions. Which are the ionic compounds? Note that the -ite polyatomic ion has one less oxygen atom in its formula than the -ate ion but with the same ionic charge. (a) Rb (b) K (c) S (d) Fr, Which of the elements listed below would most likely form an ionic bond when bonded to oxygen? Explain. In fact, the human body is approximately 0.15% sodium, with the average person having one-twentieth to one-tenth of a kilogram in their body at any given time, mostly in fluids outside cells and in other bodily fluids. Answer: c and o Explanation: Carbon and Oxygen cannot react to form an ionic compound because the two elements are non-metals. a. P and Br b. CI and K c. Cu and K d. Na and K, Which of these pairs of elements would be most likely to form an ionic compound? In which pair of elements are the chemical properties of the elements most similar? Ch13 - Mass Spectroscopy - Faculty of Science In fact, the human body is approximately 0.15% sodium, with the average person having one-twentieth to one-tenth of a kilogram in their body at any given time, mostly in fluids outside cells and in other bodily fluids. Ions and Ionic Compounds - Introductory Chemistry - 1st Canadian Edition a) Find the elements oxygen, lithium, and aluminum on the periodic table. Halogen element is represented by the symbol Br. 1) Cl 2) Na 3) S 4) Ne 5) Mg, Which of the following elements has the smallest ionic radius? Although chlorine as an element is a diatomic molecule, Cl2, elemental chlorine is not part of this ionic compound. What is the formula MgCl2 telling us? Element A has 6 valence electrons, Element B has 1 valence electron, \\ a) Classify each of these elements as a metal or a non- metal b) Use Lewis symbols to show how A and B would form a compound. Which of the following pairs of elements are likely to form an ionic compound? What is Trust is the mother of deceit meaning? To balance the charges with the lowest number of ions possible, we need to have two chloride ions to balance the charge on the one magnesium ion. Chemical bond. 94% (16 ratings) There should be 1 Ca2+ and 2Br- ions to mak . If the element has more than one possible charge, the value of the charge comes after the element name and before the word ion. a) C and Fe. D. Ne. Construct a proper formula for an ionic compound. adding a negative Cl atom to cancel out the +2 positive Be atom, Al is trivalent while Cl is monovalent so formula is AlCl3, The cation,K +and the anion,Cl -form the compound,KCl=========Potassium chloride. (a) Pb and N (b) Au and Cu (c) F and P (d) Ge and O (c) H and B, Which of the following elements is least likely to form a cation that will form an ionic bond with an ion of a group 7A element? Table \(\PageIndex{1}\) lists some common ions in terms of how many electrons they lose (making cations) or gain (making anions). Some studies have implicated increased sodium intake with high blood pressure; newer studies suggest that the link is questionable. The average person needs only about 500 mg of sodium every day; most people consume more than thisup to 10 times as much. Generate a proper name for an ionic compound. If it is ionic, write the symbols for the ions involved. Unlike elements in groups 1A-3A, which can form cations, and atoms in groups 7A-5A, which can form anions, noble gases generally do neither. (a) Lithium and chlorine (b) Oxygen and bromine (c) Potassium and oxygen (d) Sodium and neon.
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