Concept explainers
Interpretation:
The correct statements from the given set of statements should be given.
Concept introduction:
The
The same electronic configuration containing elements are arranged in the same group in periodic table. The vertical columns of the periodic table are known as families. The elements present in the column are said to be of the same family.
The
While naming a covalent compound, the first element is named first followed by the naming of the second element. If the first element exhibits more than one oxidation state then the current oxidation state being exhibited is to be mentioned.
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Chapter 2 Solutions
Chemistry: Cengage Technology Edition
- Water contains small amounts of the element fluorine, which helps to strengthen tooth enamel and prevent cavities. What would you expect to happen to the fluorine element when it is added to drinking water? a. Fluorine would lose an electron and would be found as HF. b. Fluorine would gain a proton, becoming a radioactive isotope. c. Fluorine would gain an electron and would be found as F- or HF. d.Fluorine would form a covalent bond with water.arrow_forwarda.How do you determine the charge on the main group non-metals? Type I metals are identified by falling in column I, II, or the “W”. a.What is the charge on Rb? b.What is the charge on Ca? c.What is the charge on Sr? d.What is the charge on Ag? e.What is the charge on Ga? f.What is the charge on Cd?arrow_forwardBased on what you just learned about ionization energies, explain why valence electrons are more important than core electrons in determining the reactivity and bonding in atoms.arrow_forward
- I am currently in Anatomy and Physiology 101. We are in the Chemistry section of our lab book, and I came across a question I wasn't too sure about. The question is; "Do metals donate or accept electrons? What do they become after they donate/accept electrons?" For this question I put that metals both accept and donate elcetrons, and after this they become Ions. Is this correct?arrow_forwardwhat is the elemental form of fluorine? F(g) F- (aq) F+(g) or none of the these?arrow_forwardThe compound hexaazaisowurtzitane is one of the highest-energy explosives known (C E News, Jan. 17, 1994, p. 26). The compound, also known as CL-20, was first synthesized in 1987. The method of synthesis and detailed performance data are still classified because of CL-20s potential military application in rocket boosters and in warheads of smart weapons. The structure of CL-20 is In such shorthand structures, each point where lines meet represents a carbon atom. In addition, the hydrogens attached to the carbon atoms are omitted; each of the six carbon atoms has one hydrogen atom attached. Finally, assume that the two O atoms in the NO2 groups are attached to N with one single bond and one double bond. Three possible reactions for the explosive decomposition ofCL-20 are i. C6H6N12O12(s)6CO(g)+6N2(g)+3H2O(g)+32O2(g) ii. C6H6N12O12(s) 3CO(g) + 3CO2(g) + 6N2(g) + 3H2O(g) iii. C6H6N12O12(s) 6CO2(g) + 6N2(g) + 3H2 (g) a. Use bond energies to estimate E for these three reactions. b. Which of the above reactions releases the largest amount of energy per kilogram of CL-20?arrow_forward
- For the following ions, indicate whether electrons must begainedorlostfrom the parent neutral atom, andhow manyelectrons must be gained or lost. a.O2 c.Cr3+ e.Rb+ b.P3 d.Sn2+ f.Pb2+arrow_forwardA combustion reaction involves the reaction of a substance with oxygen gas. The complete combustion of any hydrocarbon (binary compound of carbon and hydrogen) produces carbon dioxide and water as the only products. Octane is a hydrocarbon that is found in gasoline. Complete combustion of octane produces 8 L of carbon dioxide for every 9 L of water vapor (both measured at the same temperature and pressure). What is the ratio of carbon atoms to hydrogen atoms in a molecule of octane?arrow_forward1. Hydrogen is a Group I element and each hydrogen will contribute I valence electron. Carbon is a Group (Roman numeral) element and each carbon will contribute ___ (number) electrons. Every oxygen atom in a compound will contribute valence electrons. Chloromethane has the molecular formula . Its skeleton is and the number of valence electrons may be determined as follows. There are three hydrogen atoms, each of which contributes 1 valence electron; the single carbon contributes 4 electrons; and the single chlorine atom contributes 7 electrons, making a total of 14 . A convenient tabular form of this calculation isarrow_forward
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