Introductory chemistry essentials with masteringchemistry 4th edition tro test bank

... properties A) with similar chemical symbols B) with similar atomic masses C) in the same period of the periodic table D) on opposite sides of the periodic table E) in the same group of the periodic ... metals exposed to them D) They are made up of electrons E) The characteristics of cathode rays depend on the material from which they are emitted Answer: E Diff: Page Ref: Sec...

Ngày tải lên: 19/10/2017, 16:09

... Xz consists of two isotopes having masses of 100.0 amu and 102.0 amu A sample of Xz was found to contain 75.0% of the 100Xz isotope and 25.0% of the 102Xz Calculate the atomic weight of Xz A) 100.3 ... 25) The symbol of the element with 23 protons is A) Mg B) Na C) V D) B E) none of the above Answer: C Diff: Section: 2.2 26) An atom with Z = 31 and A = 69 contains p...

Ngày tải lên: 27/10/2017, 09:26

... cation A) An atom that has lost an electron B) An atom that has gained an electron C) An atom that has lost a proton D) An atom that has gained a proton Answer: A Diff: Page Ref: 2.6 29) What species ... an atomic number of 20 and a mass number of 42 is an isotope of an atom that has A) an atomic number of 21 and a mass number of 42 B) an atomic number of 20 and a mass number of...

Ngày tải lên: 19/10/2017, 16:08

... anion A) An atom that has lost an electron B) An atom that has gained an electron C) An atom that has lost a neutron and a proton D) An atom that has gained a neutron Answer: B Diff: Page Ref: ... has lost an electron B) An atom that has gained an electron C) An atom that has lost a proton and a neutron D) An atom that has gained a neutron Answer: A Diff: Page Ref: 2.6 12) Iden...

Ngày tải lên: 19/10/2017, 16:08

... examples of intensive properties? A) boiling point B) volume C) mass D) None of the above are examples of intensive properties E) All of the above are examples of intensive properties Answer: A ... low B) error that has equal probability of being too high and too low C) error that averages out with repeated trials D) error that is random Answer: A Diff: Var: Page Ref: 2.2 LO: 2.1 Globa...

Ngày tải lên: 19/10/2017, 16:09

... the study of biology Section: 02.01 Topic: Chemistry 55 The reactivity of an atom depends on A the number of protons B the number of neutrons C the number of electrons D the number of valence ... useful in the study of biology Section: 02.01 Topic: Chemistry 39 The number of neutrons in the nucleus of an average atom of an element is best estimated by A adding the numb...

Ngày tải lên: 24/10/2017, 14:55

... specific heat of a substance is the amount of heat needed to A) change g of the substance from the solid to the liquid state B) raise the temperature of g of the substance by °C C) change g of the substance ... Global Outcomes: GO4 51) A slice of pizza contains 29 g of carbohydrate, 13 g of protein and an unknown amount of fat If the pizza contains 280 kcal, how many gra...

Ngày tải lên: 30/10/2017, 15:03

... 15-day ANS: B REF: p 37 28 Part C of PL 99-457 is for _ a infants and toddlers c children between birth and 21 years b children between birth and years d children between birth and 18 years ANS: ... opportunities for infants, toddlers, preschool children, and school -age children with special needs ANS: See Table 2-4 on pages 33-36 In terms of family rights, what signifi...

Ngày tải lên: 08/09/2017, 09:15

... 5) Which of the following is the basic unit of volume in the metric system? A) liter B) kilogram C) meter D) centimeter E) gram Answer: ... measured 1) In the U.S system there are 5280 feet in one mile Objective: 2.3 Global: G2 2) A lab test showed a blood sugar level is 350 mg/dL Objective: 2.3 Global: G2 3) There are 452 pages in

Ngày tải lên: 08/09/2017, 09:32

... Difficulty: Medium Gradable: automatic Subtopic: Radioactivity and Nuclear Stability Topic: Nuclear Chemistry 109 are atoms that have the same atomic number (Z) but different mass numbers ... Topic: Chemical Periodicity Topic: Components of Matter Topic: Electron Configuration Topic: Nuclear Chemistry Topic: Organic Molecules Topic: Stoichiometry and Chemical Reactions # of Questions 25

Ngày tải lên: 19/10/2017, 16:07

... the motion, the judge looks at the evidence in the light most favorable to the plaintiff and grants the motion only if there is insufficient evidence to raise an issue of fact At the end of the ... hand The appellate court sees only a cold record of the trial court proceedings and therefore cannot make the kind of judgments about the credibility of witnesses...

Ngày tải lên: 19/10/2017, 16:08

... the fraction of items in each of several nonoverlapping classes b a graphical form of representing data c a tabular summary of a set of data showing the number of items in each of several nonoverlapping ... diagram and indicate what kind of relationship (if any) exists between the amount of sugar in one serving of cereal (grams) and the amount of fiber in one serving of...

Ngày tải lên: 24/10/2017, 14:57

... against those put forward by top management B taking the lead in formulating the company's strategic plan but then delegating the task of implementing and executing the strategic plan to the company's ... lead in formulating the company's strategic plan but then delegating the task of implementing and executing the strategic plan to the company's CEO and other...

Ngày tải lên: 24/10/2017, 14:58