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WAZZAP > Quiz 1 > Flashcards

Quiz 1 Flashcards

1
Q
  1. When the rules for significant figures are used, the sum of 0.027 gram and 0.0023 gram should be expressed as

A. 0.029 g

B. 0.0293 g

C. 0.03 g

D. 0.030 g

A

A. 0.029 g

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2
Q
  1. Which measurement contains three significant figures?

A. 0.05 g

B. 0.050 g

C. 0.056 g

D. 0.0563 g

A

D. 0.0563 g

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3
Q
  1. Which is a characteristic of all mixtures?

A. They are homogenous

B. They are heterogeneous

C. Their composition is generally fixed

D. Their composition generally can be varied

A

D. Their composition generally can be varied

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4
Q
  1. Rutherford’s famous experiment using alpha particles to bombard a thin sheet of gold foil indicated that most of the volume of the atoms in the foil is taken up by

A. Electrons

B. Protons

C. Neutrons

D. Empty space

A

D. Empty space

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5
Q
  1. Compared to the entire atom, the nucleus of the atom is

A. Smaller and contains most of the atoms mass

B. Smaller and contains little of the atoms mass

C. Larger and contains most of the atoms mass

D. Larger and contains little of the atoms mass

A

A. Smaller and contains most of the atoms mass

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6
Q
  1. Which of the following particles has the least mass?

A. An electron

B. A proton

C. A deuteron

D. A neutron

A

A. An electron

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7
Q
  1. What are the nucleons in an atom?

A. Protons and electrons

B. Protons and neutrons

C. Neutrons and electrons

D. Neutrons and positrons

A

B. Protons and neutrons

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8
Q
  1. The atomic number of an atom is always equal to the total number of

A. Neutrons in the nucleus

B. Protons in the nucleus

C. Neutrons plus protons in an atom

D. Protons plus electrons in an atom

A

B. Protons in the nucleus

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9
Q
  1. What type of bonding is present within a network solid?

A. Hydrogen

B. Covalent

C. Ionic

D. Metallic

A

C. Ionic

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10
Q
  1. The forces of attraction that exist between nonpolar molecules are called

A. London dispersion

B. Ionic

C. Covalent

D. Electrovalent

A

A. London dispersion

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11
Q
  1. NH4Cl is a

A. weak base

B. strong acid

C. weak acid

D. strong base

A

C. weak acid

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12
Q
  1. HClO4 is a

A. strong base

B. strong acid

C. weak acid

D. weak base

A

B. strong acid

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13
Q
  1. The correct name of the compound PCl3 is

A. phosphorus trichloride

B. potassium chloride

C. monophosphorus trichloride

D. phosphorus (III) chloride

A

A. phosphorus trichloride

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14
Q
  1. An element in the lower left corner of the periodic table

A. is either a metalloid or a nonmetal

B. is either a metal or a metalloid

C. is definitely a metal

D. is definitely a metalloid

A

C. is definitely a metal

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15
Q
  1. Water, no matter where it is found, consist of hydrogen and oxygen combined in a 1:8 ratio by mass. This is the statement of

A. the law of constant composition

B. the law of conservation of energy

C. the law of multiple proportions

D. the law of conservation of mass

A

A. the law of constant composition

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16
Q
  1. The term hydrocarbon is used to denote compounds that

A. contain carbon and hydrogen

B. contain nitrogen and carbon

C. contain oxygen and hydrogen

D. contain hydrogen

A

A. contain carbon and hydrogen

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17
Q
  1. The most characteristic reactions of alkenes are

A. condensation reactions

B. addition reactions

C. substitution reactions

D. none of these, alkenes are inert

A

B. addition reactions

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18
Q
  1. Starch is

A. a form of cellulose

B. a polysaccharide

C. a monosaccharide

D. an amino acid

A

B. a polysaccharide

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19
Q
  1. Glucose contain both

A. alcohol and aldehyde forms

B. alcohol and acid groups

C. ester and aldehyde groups

D. ester and acid groups

A

A. alcohol and aldehyde forms

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20
Q
  1. Which one of the following is named correctly?

A. barium chloride pentahydrate, BaCI2 -6H2O

B. sodium chlorite, NaClO

C. sodium acetate, NaCH3CO2

D. potassium nitrate, KNO2

A

C. sodium acetate, NaCH3CO2

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21
Q
  1. The gas from sludge digestion tanks is mainly composed of :

A. Nitrogen

B. Hydrogen sulfide

C. Carbon dioxide

D. Carbon monoxide

E. Methane

A

E. Methane

22
Q
  1. With regard to corrosion of metals, passivation is the process that

A. Intensifies deterioration

B. Intensifies deterioration temporarily

C. Changes the composition of the metal

D. Inhibits further deterioration

A

D. Inhibits further deterioration

23
Q
  1. An example of heterogeneous mixture is

A. Soil

B. Sugar

C. Carbon monoxide

D. Carbon dioxide

A

A. Soil

24
Q
  1. What is the total number of electrons in an atom with an atomic number of 13 and a mass number of 27?

A. 13

B. 14

C. 27

D. 40

A

A. 13

25
Q
  1. Which of the following elements is classified as an alkali metal?

A. Magnesium

B. Potassium

C. Argon

D. Phosphorus

A

B. Potassium

26
Q
  1. Iodine belongs to the family of elements known as

A. Halogens

B. Noble gases

C. Alkaline earth elements

D. Transition elements

A

A. Halogens

27
Q
  1. All of the following gases exist as diatomic molecules except

A. Hydrogen

B. Fluorine

C. Nitrogen

D. Argon

A

D. Argon

28
Q
  1. What is the oxidation number of sulfur in H2SO4?

A. 0

B. 2-

C. 6+

D. 4+

A

C. 6+

29
Q
  1. What is the formula of iron (III) oxide?

A. FeO3

B. Fe2O3

C. Fe3O

D. Fe3O2

A

B. Fe2O3

30
Q
  1. The pair of elements with the most similar chemical properties are

A. Mg and S

B. Ca and Br

C. Mg and Ca

D. S and Ar

A

C. Mg and Ca

31
Q
  1. What is the oxidation number of carbon in acetic acid?

A. 0

B. 1

C. 2

D. 3

A

A. 0

32
Q
  1. Particles in the nucleus are known as

A. isotopes

B. neutrons

C. nucleons

D. electrons

A

C. nucleons

33
Q
  1. The element Beryllium [ Be ] has an isotope with five neutrons and four protons. The atomic number of Be is

A. 5

B. 4

C. 9

D. not given

A

B. 4

34
Q
  1. The element Beryllium [ Be ] has an isotope with five neutrons and four protons. The mass number of this isotope of Be is

A. 5

B. 4

C. 9

D. not given

A

C. 9

35
Q
  1. The element Beryllium [ Be ] has an isotope with five neutrons and four protons. The number of electrons in the element Be is

A. 5

B. 4

C. 9

D. not given

A

B. 4

36
Q
  1. The element Beryllium [ Be ] has an isotope with five neutrons and four protons. The atomic mass of Beryllium is

A. 5

B. 4

C. 9

D. not given

A

D. not given

37
Q
  1. Zinc, with 30 protons, 30 electrons and 35 neutrons has atomic number of

A. 30

B. 35

C. 60

D. 65

A

A. 30

38
Q
  1. Zinc with 30 protons, 28 electrons and 35 neutrons, is a zinc

A. atom that is neutral

B. ion that is charged -2

C. ion that is charged +2

D. isotope with a mass number of 63

A

C. ion that is charged +2

39
Q
  1. Which of the following is not an isotope of hydrogen?

A. uranium

B. deuterium

C. hydrogen

D. tritium

A

A. uranium

40
Q
  1. Energy level 5 has

A. s, p, and d sublevels only

B. s, p, d, and f sublevels only

C. s, p, d, f, and g sublevels only

D. a number of sublevels not yet determined

A

C. s, p, d, f, and g sublevels only

41
Q
  1. The elements in the present Periodic Table are arranged according to their

A. Atomic numbers

B. Atomic masses

C. Oxidation states

D. Mass numbers

A

A. Atomic numbers

42
Q
  1. The element whose electron configuration is 1s22s22p63s2 is a

A. Metalloid

B. Metal

C. Noble gases

D. Nonmetal

A

B. Metal

43
Q
  1. Atoms of metallic elements tend to

A. Gain electrons and form negative ions

B. Gain electrons and form positive ions

C. Lose electrons and form negative ions

D. Lose electrons and form positive ions

A

D. Lose electrons and form positive ions

44
Q
  1. Which are two properties of most nonmetals?

A. Low ionization energy and good electrical conductivity

B. High ionization energy and poor electrical conductivity

C. Low ionization energy and poor electrical conductivity

D. High ionization energy and good electrical conductivity

A

B. High ionization energy and poor electrical conductivity

45
Q
  1. Which element is considered malleable?

A. Au

B. H

C. S

D. Rn

A

A. Au

46
Q
  1. Nonmetals in the solid state are poor conductors of heat and tend to

A. be brittle

B. be malleable

C. have luster

D. have good electrical conductivity

A

A. be brittle

47
Q
  1. Ozone is an allotropic form of the element ?

A. O

B. F

C. S

D. C

A

A. O

48
Q
  1. Which compound is ionic?

A. HCl

B. CaCl2

C. SO2

D. N2O

A

B. CaCl2

49
Q
  1. Two atoms of element A unite to form a molecule with the formula A2. The bond between the atoms in the molecule is

A. Electrovalent

B. Ionic

C. Nonpolar covalent

D. Polar covalent

A

C. Nonpolar covalent

50
Q
  1. In which compound does the bond between the atoms have the least ionic character?

A. HF

B. HCl

C. HBr

D. HI

A

D. HI

WAZZAP (31 decks)

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