Introduction to Chemistry 4th Edition by Rich Bauer-Test Bank

Test Bank For Introduction to Chemistry 4th Edition by Rich Bauer

ISBN-10:0073523003 , ISBN-13:978-0073523002

Chapter 02 Test Bank: Atoms, Ions, and the Periodic Desk
Pupil: ________________________________________________________

1. Which of the next had been outlined as the weather by the early Greeks?
A. earth, wind, and hearth
B. earth, air, hearth, and water
C. carbon, hydrogen, and oxygen
D. solar, sand, and water
E. none of those

2. Which of the next statements relating to atoms and atomic idea is inaccurate?
A. “Atomos” is a Greek phrase which means unbreakable.
B. Democritus, a Greek thinker, believed that matter might be damaged down into infinitely small items.
C. The traditional Greeks believed that every one matter is made of 4 components: earth, air, hearth, and water.
D. A component is a substance that can not be damaged down into easier substances.
E. By the 1700s, all chemists believed that components had been fabricated from atoms.

3. Which of the next statements relating to atoms and atomic idea is inaccurate?
A. Antoine Lavoisier found within the late 1700s that matter shouldn’t be gained or misplaced in a chemical response.
B. Joseph Proust confirmed that when components mix to type new substances, they accomplish that in particular mass ratios.
C. In accordance to the regulation of a number of proportions, when water kinds, the mass ratio of hydrogen to oxygen is variable.
D. John Dalton’s atomic idea disagreed with the traditional Greek philosophers’ concepts about matter.
E. The Greek philosophers didn’t conduct experiments to assist their concepts.

4. The determine reveals a molecular-level diagram of the chemical response between hydrogen and nitrogen to type ammonia. What’s improper with this diagram?

A. The merchandise include extra nitrogen atoms than the reactants.
B. The merchandise include extra hydrogen atoms than the reactants.
C. The variety of reactant molecules ought to equal the variety of product molecules.
D. The merchandise ought to include some unreacted hydrogen.
E. The product ammonia molecules ought to have solely two hydrogen atoms connected to the nitrogen.

5. Which of the next components shouldn’t be one of many three most plentiful components within the human physique?
A. carbon
B. oxygen
C. iron
D. hydrogen

6. Which of the next statements is inaccurate?
A. The human physique is made up of about 99% carbon, hydrogen, and oxygen.
B. Important minerals come from the meals we eat and drink.
C. Many of the important minerals in our weight loss program are labeled as metals on the periodic desk.
D. Minerals are crucial for the expansion and manufacturing of bones, tooth, blood, and so forth.
E. Magnesium is a constructing block for hemoglobin, which carries oxygen in our blood.

7. Which of the next observations doesn’t relate particularly to the regulation of particular proportions?
A. Pure water consists of the weather oxygen and hydrogen in a mass ratio of 8 to 1.
B. Any pattern of a given compound at all times comprises the identical proportions by mass of the element components.
C. The mass of the merchandise of a chemical response is equal to the mass of the beginning supplies of the response.
D. When a metallic reacts with oxygen, the oxygen content material of the merchandise is mounted at one or two values.
E. When water is damaged down into its components by electrolysis, elemental oxygen, and hydrogen are fashioned in an 8 to 1 mass ratio.

8. Which of the next shouldn’t be a part of Dalton’s atomic idea?
A. All matter consists of small indivisible particles known as atoms.
B. All atoms of a given aspect have an identical mass and chemical properties.
C. Atoms of 1 aspect will be modified to atoms of one other aspect in a chemical response.
D. Atoms mix in whole-number ratios to type chemical compounds.
E. Chemical reactions contain a rearrangement of the atoms within the beginning supplies.

9. Which of the next statements relating to atomic idea is inaccurate?
A. John Dalton’s experimental outcomes led to the regulation of conservation of mass.
B. Antoine Lavoisier’s experiments confirmed that the mass of the merchandise of a chemical response equals the mass of the reacting substances.
C. When wooden is burned, the ashes weigh lower than the unique wooden, however this isn’t a violation of the regulation of conservation of matter.
D. Dalton’s atomic idea says {that a} chemical response is a rearrangement of atoms into a number of totally different chemical substances.
E. Joseph Proust’s findings relating to the reactions between metals and oxygen led to the regulation of particular proportions.

10. Dalton’s atomic idea consisted of all the next postulates besides
A. Parts are composed of indivisible particles known as atoms.
B. Atoms of various components have totally different properties.
C. The volumes of gases that mix are in small whole-number ratios.
D. Atoms mix in mounted ratios of entire numbers after they type compounds.
E. In chemical reactions, atoms are usually not created or destroyed.

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