Concept explainers
(a)
Interpretation:
To write the formula of a compound of hydrogen with nitrogen, which is a gas at 250C and 1 atm.
Concept introduction:
In
(b)
Interpretation:
To write the formula of a compound of hydrogen with phosphorus, which is a liquid at 250C and 1 atm.
Concept introduction:
In chemical reactions, one substance is change into another substance that is there is complete chemical transformation of reactants to form products.
(c)
Interpretation:
To write the formula of a compound of hydrogen with oxygen, which contains an O-O bond.
Concept introduction:
In chemical reactions, one substance is change into another substance that is there is complete chemical transformation of reactants to form products.
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Chemistry: Principles and Reactions
- A certain element, M, is a main-group metal that reacts with chlorine to give a compound with the chemical formula MCl2 and with oxygen to give the compound MO.(a) To which group in the periodic table does element M belong?(b) The chloride contains 44.7% chlorine by mass. Name the element Marrow_forwardIodine monochloride and elemental bromine have nearly the same molar mass and liquid density but very different boiling points.(a) What molecular property is primarily responsible for this difference in boiling point? What atomic property gives rise to it? Explain.(b) Which substance has a higher boiling point? Why?arrow_forwardThe atomic number of sulfur is 16. Sulfur combines withhydrogen by covalent bonding to form a compound, hydrogensulfide. Based on the number of valence electrons in a sulfuratom, predict the molecular formula of the compound.(A) HS(B) HS2(C) H2S(D) H4Sarrow_forward
- Which of the following compounds has both ionic and covalent bond? (a) H2O (b) NH4Cl (c) NaCl (d) HClarrow_forwardWhich statement about the properties of barium chloric and mercury(II) chloride is correct? (A) BaCl₂ has a higher melting point than HgCl₂. (B) BaCl₂ has a higher solubility in nonpolar solvents than HgCl₂. (C) BaCl₂ has a higher vapor pressure than HgCl₂. (D) Molten BaCl₂ has a lower electrical conductivity than molten HgCl2.arrow_forwardWrite the chemical formulas for the following compounds:(a) Silver cyanide(b) Calcium hypochlorite(c) Potassium chromate(d) Gallium oxide(e) Potassium superoxide(f) Barium hydrogen carbonatearrow_forward
- Name each ionic compound. In each of these compounds,the metal forms only one type of ion. (a) CsCl (b) SrBr2 (c) K2O (d) LiFarrow_forward(a) List four physical characteristics of a solid metal. (b) List two chemical characteristics of a metallic element.arrow_forwardThe compound SiO2 does not exist as a discrete molecule while CO2 does. This is because ________. (A) CO2 is a molecular compound, whereas SiO2 is an ionic compound. (B) The SiO2 is solid while CO2 is a gas. (C) The sigma bond between Si and O atoms is very weak. (D) The Si atom does not form a stable pi-bond with the O atom.arrow_forward
- Elements in the same group of the periodic table often formoxyanions with the same general formula. The anions arealso named in a similar fashion. Based on these observations,suggest a chemical formula or name, as appropriate, for eachof the following ions: (a) BrO4-, (b) SeO32-, (c) arsenate ion,(d) hydrogen tellurate ion.arrow_forwardChlorine reacts with oxygen to form Cl2O7. (a) What is the name of this product (see Table 2.6)? (b) Write a balanced equation for the formation of Cl2O7(l) from the elements. (c) Under usual conditions, Cl2O7 is a colorless liquid with a boiling point of 81℃. Is this boiling point expected or surprising? (d) Would you expect Cl2O7 to be more reactive toward H+(aq) or OH− (aq)? Explain. (e) If the oxygen in Cl2O7 is considered to have the -2 oxidation state, what is the oxidation state of the Cl? What is the electron configuration of Cl in this oxidation state?arrow_forwardWrite the formulas of the following covalent compounds. (Type your answer using the format CO2 for CO2.) (a) silicon tetrachloride(b) carbon tetrachloride(c) dinitrogen tetroxide(d) dinitrogen oxidearrow_forward
- Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning