Ionic Compounds: Formation, Naming, and Properties, Exams of Chemistry

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Chemistry Chapter 3 test bank Exams Questions and Complete solution [Document subtitle] Denning [Date] [Course title]

A positively charged particle formed by loss of one or more electrons from an atom is called a(an) - Correct Answer cation A small negatively charged particle formed when an atom gains one or more electrons is called a(an) - Correct Answer anion When an atom donates an electron, that electron - Correct Answer is acquired by another atom which becomes an anion One characteristic of a cation is that - Correct Answer it has more protons than electrons. Which of the following ions does not have the same electron configuration as the noble gas neon? - Correct Answer S- What is the most likely charge on an ion formed by an element with a valence electron configuration of ns2np4? - Correct Answer 2- What is the most likely charge on an ion formed by an element with a valence electron configuration of ns1? - Correct Answer 1+ What is the most likely charge on an ion formed by an element with a valence electron configuration of ns2np5? - Correct Answer 1- What is the most likely charge on an ion formed by an element with a valence electron configuration of ns2np1? - Correct Answer 3+ What is the valence shell electron configuration of the ion formed from an atom of the halogen family? - Correct Answer ns2 np Main group elements that are metals usually ________ one or more electrons to form ________, which have a ________ charge. - Correct Answer lose; cations; positive

Which of the following has the largest ionization energy? A) Ne B) Br C) P D) Al E) Ca - Correct Answer A) Ne The property defined as the energy required to remove one electron from an atom in the gaseous state is - Correct Answer ionization energy. Which of the following elements is most likely to form an ion with a -2 charge? A) Mg B) Si C) S D) K E) Ti - Correct Answer S Which of the following elements is most likely to form an ion with a -1 charge? A) Mg B) Si C) S D) Cl E) Sc - Correct Answer Cl The name of Cl- is - Correct Answer chloride ion. The name of S2- is - Correct Answer sulfide ion. The name of Cu2+ is ________ ion or ________ ion. - Correct Answer copper(II); cupric

The name of Sn2+ is ________ ion or ________ ion. - Correct Answer tin(II) stannous What is the formula of the ammonium ion? - Correct Answer NH₄¹⁺ What is the formula of the carbonate ion? - Correct Answer CO₃²⁻ What is the formula of the nitrate ion? - Correct Answer NO₃⁻ What is the formula of the sulfite ion? - Correct Answer SO₃²⁻ The formula PO43- means that this ion is composed of - Correct Answer one atom of phosphorus, four atoms of oxygen, and three extra electrons. The permanganate ion is composed of - Correct Answer one atom of manganese, four atoms of oxygen, and one extra electron. The HCO₃¹⁻ ion is called - Correct Answer hydrogen carbonate. Which one of the compounds below is most likely to be ionic? A) SrBr B) NO C) CBr D) H2O - Correct Answer A) SrBr Which of the following pairs will form ionic bonds with one another? A) N, C B) Na, Ca C) Cs, Br

What is the formula for the ionic compound formed between calcium and sulfur? - Correct Answer CaS What is the formula of a compound formed by the ions M²⁺ and X³⁻? - Correct Answer M₃X₂ If an element G could react with sulfur to form an ionic compound with formula GS2, the charge on the ion formed by G would be - Correct Answer 4+ A formula unit of the ionic compound copper(II) carbonate consists of ________ copper(II) ions and ________ carbonate ions. - Correct Answer one; one A formula unit of ammonium sulfate consists of ________ ammonium ions and ________ sulfate ions. - Correct Answer two; one The formula Ca(NO3)2 tells us that one formula unit of this compound is composed of ________ calcium atoms, ________ nitrogen atoms, and ________ oxygen atoms. - Correct Answer one; two; six chromium(II) hydroxide - Correct Answer Cr(OH) calcium sulfate - Correct Answer CaSO Aluminum phosphate - Correct Answer AlPO Potassium Sulfide - Correct Answer K2S Sodium Acetate - Correct Answer NaC2H3O ammonium acetate - Correct Answer NH4C2H3O ammonium carbonate - Correct Answer (NH4)2CO

aluminum carbonate - Correct Answer Al2(CO3) potassium sulfite - Correct Answer K2SO hydrogen chloride - Correct Answer HCl sodium nitrite - Correct Answer NaNO iron(II) hydroxide - Correct Answer Fe(OH) The formula for potassium dichromate is - Correct Answer K2Cr2O The formula for the compound chromium(II) nitrate is - Correct Answer Cr(NO3)2. What is the formula for calcium phosphate? - Correct Answer Ca3(PO4) What is the name of Mg3(PO4)2? - Correct Answer magnesium phosphate What is the name of AlCl3? - Correct Answer aluminum chloride What is the name of SnCl2? - Correct Answer tin(II) chloride Iron pyrite (fool's gold) is iron(II) sulfide. What is its formula? - Correct Answer FeS What is the name of K2S? - Correct Answer potassium sulfide The name of the compound with formula NaMnO4 is - Correct Answer sodium permanganate The formula for ammonium hydroxide is - Correct Answer NH4OH

One definition of a base is a substance that provides which ion in water solution? - Correct Answer OH- Which of the following formulas represents a compound that is an acid? A) CaSO B) NH4Cl C) Mg(OH) D) H2O E) H3PO4 - Correct Answer E) H3PO When hydrochloric acid dissolves in water what ions are formed? - Correct Answer H+ and Cl-