MULTIPLE CHOICE

1
MULTIPLE CHOICE

• HOW ARE THE NOBLE GASES DIFFERENT FROM OTHER
  GROUPS OF ELEMENTS?

2

• THEY DO NOT REACT EASILY WITH OTHER ATOMS

3

• WHEN AN ATOM LOSES AN ELECTRON, IT BECOMES A

4

• POSITIVE ION

5

• AN IONIC BOND IS THE ATTRACTION BETWEEN

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• OPPOSITELY CHARGED IONS

7

• NAME A CHARACTERISCTIC PROPERTY OF IONIC COMPOUNDS

8

• THEY FORM CRYSTALS WITH CHARACTERISTIC SHAPES

9

• WHAT IS THE CHEMICAL NAME FOR THE CHEMICAL
  COMPOUND WITH THE FORMULA NaS?

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• SODIUM SULFIDE

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• IONS THAT ARE MADE OF MORE THAN ONE ATOM ARE
  EXAMPLES OF

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• POLYATOMIC IONS

13

• EACH FAMILY IN THE PERIODIC TABLE HAS ITS OWN
  CHARACTERISTIC PROPERTIES BASED ON THE NUMBER OF?

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• VALENCE ELECTRONS

15

• IN WHAT FORM CAN AN IONIC COMPOUND CONDUCT
  ELECTRICITY?

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• WHEN DISSOLVED IN WATER

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• A CHEMICAL BOND FORMED WHEN TWO ATOMS SHARE
  ELECTRONS IS CALLED A

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• COVALENT BOND

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• WHAT IS A DOUBLE BOND?

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• TWO PAIRS OF ELECTRONS SHARED BETWEEN TWO ATOMS

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• WHAT IS A PROPERTY SHARED BY MOST MOLECULAR
  COMPOUNDS?

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• LOW MELTING POINT

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• MOLECULAR COMPOUNDS DO NOT CONDUCT ELECTRICITY
  BECAUSE THEY

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• DO NOT FORM IONS IN WATER

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• A COVALENT BOND IN WHICH ELECTRONS ARE SHARED
  UNEQUALLY IS CALLED?

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• POLAR

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• MOLECULES THAT CONTAIN TWO POLAR BONDS ARE?

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• SOMETIMES POLAR

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• THE PROPERTIES OF A MINERAL CRYSTAL ARE
  DETERMINED BY THE ARRANGEMENT OF ITS PARTICLES
  AND THE

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• BONDS HOLDING THE PARTICLES TOGETHER

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• WHAT IS A CHARACTERISTIC OF HALITE?

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• IF YOU BREAK IT, THE SMALLER PIECES ALL HAVE THE
  SAME SHAPE AS THE BIGGER PIECE.

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• A NATURALLY OCCURING SOLID WITH A CRYSTAL
  STRUCTURE AND A DEFINITE CHEMICAL COMPOSITION IS
  A

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• MINERAL

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• VERY ENERGETIC PARTICLES THAT MOVE RAPIDLY IN ALL
  DIRECTIONS IN THE SPACE OUTSIDE THE NUCLEUS OF AN
  ATOM ARE CALLED?

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• ELECTRONS

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• WHICH PARTICLES IN AN ATOM ARE IN THE NUCLEUS?

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• PROTONS AND NEUTRONS

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• ATOMS ARE ELECTRICALLY NEUTRAL BECAUSE THE HAVE

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• EQUAL NUMBERS OF PROTONS AND ELECTRONS

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• WHICH NUCLEAR PARTICLE HAS A POSITIVE CHARGE?

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• PROTONS

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• THE ELECTRONS INVOLVED IN BONDING BETWEEN ATOMS
  ARE CALLED?

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• VALENCE ELECTRONS

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• WHAT IS THE GREATEST NUMBER OF VALENCE ELECTRONS
  THAT A NEUTRAL ATOM CAN HAVE?

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• 8

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• THE ATOMIC NUMBER IS THE NUMBER OF

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• PROTONS IN THE NUCLEUS OF AN ATOM

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• A ROW ACROSS THE PERIODIC TABLE IS CALLED A

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• PERIOD

51

• WATER IS POLAR AND OIL IS NONPOLAR. WHAT HAPPENS
  WHEN THE TWO LIQUIDS ARE POURED INTO THE SAME
  CONTAINER?

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• THE LIQUIDS DO NOT MIX

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• HOW MANY GROUPS ARE IN THE PERIODIC TABLE?

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• 18

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• IF ATOMS OF A HALOGEN NONMETAL GAIN ONE ELECTRON,
  THE ATOMS THEN HAVE

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• 8 VALENCE ELECTRONS

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• IONIC COMPOUNDS ARE ELECTRICALLY

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• NEUTRAL

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• IS HALITE, SULFER, MICA, AND QUARTZ A LIST OF
  MINERAL CRYSTALS?

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• YES

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TRUE/FALSE

• THE NUCLEUS OF AN ATOM IS THE REGION WHERE THE
  PROTONS AND NEUTRONS CAN BE FOUND.

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• TRUE

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• THE VALENCE ELECTRONS ARE THOSE FOUND CLOSEST TO
  THE NUCLEUS.

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• FALSE, FARTHEST FROM

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• THE ATOMIC NUMBER IS THE NUMBER OF PROTONS IN THE
  NUCLEUS OF THE ATOM.

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• TRUE

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• EACH FAMILY IN THE PERIODIC TABLE HAS ITS OWN
  CHARACTERISTIC PROPERTIES BASED UPON ITS NUMBER
  OF VALENCE ELECTRONS.

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• TRUE

69

• WHEN AN ATOM GAINS AN ELECTRON IT BECOMES A
  POSITIVE ION.

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• FALSE, NEGATIVE

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• THE ATTRACTION BETWEEN A POSITIVE ION AND A
  NEGATIVE ION RESULTS IN A COVALENT BOND.

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• FALSE, IONIC

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• ORDERLY CRYSTAL SHAPES, HIGH MELTING POINTS, AND
  ELECTRICAL CONDUCTIVITY WHEN DISSOLVED IN WATER
  ARE PROPERTIES OF IONIC COMPOUNDS.

74

• TRUE

75

• WHEN ELECTRONS ARE TRANSFERRED BETWEEN TWO ATOMS,
  A COVALENT BOND IS FORMED

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• FALSE, SHARED

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• LOW MELTING POINTS AND LACK OF ELECTRICAL
  CONDUCTIVITY ARE PROPERTIES OF MOLECULAR
  COMPOUNDS.

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• TRUE

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• A NONPOLAR BOND IS FORMED WHEN TWO ATOMS SHARE
  ELECTRONS UNEQUALLY.

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• FALSE, POLAR

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COMPLETION

• NEUTRONS ARE PARTICLES THAT HAVE _____ CHARGE.

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• NO

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• CHEMICAL BONDS FORM WHEN VALENCE ELECTRONS ARE
  __________________________ BETWEEN ATOMS.

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• TRANSFERRED OR SHARED

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• IN THE PERIODIC TABLE, ATOMS ARE ARRANGED FROM
  LEFT TO RIGHT AND FROM TOP TO BOTTOM IN ORDER OF
  INCREASING_________

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• ATOMIC NUMBER

87

• GROUP 18 ELEMENTS, ALSO KNOWN AS THE NOBLE GASES,
  __________
• WITH OTHER ELEMENTS

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• DO NOT USUALLY REACT

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• NITRATE (NO3), AMMONIUM (NH4),
• AND CARBONATE (CO3) ARE EXAMPLES OF _____ IONS.

90

• POLYATOMIC

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• WHEN IONS HAVING A CHARGE OF 2 FORM BONDS WITH
  IONS HAVING A CHARGE OF 2-, THE CHARGE ON THE
  RESULTING COMPOUND IS ________.

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• ZERO

93

• IONIC COMPOUNDS THAT DISSOLVE IN WATER CONDUCT
  ELECTRICITY BECAUSE THEY______________.

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• BREAK INTO IONS.

95

• BONDS THAT FORM BETWEEN TWO NONMETAL IONS USUALLY
  ARE __________ BONDS.

96

• COVALENT

97

• MOLECULAR COMPOUNDS THAT DISSOLVE IN WATER DO NOT
  CONDUCT ELECTRICITY BECAUSE NO ________ ARE
  PRESENT.

98

• CHARGED PARTICLES (IONS)

99

• FLOURINE (F2) IS A _______________ MOLECULE
  BECAUSE THE VALENCE ELECTRONS ARE SHARED EQUALLY
  BETWEEN THE TWO FLOURINE ATOMS.

100

• NONPOLAR

101

• A NATURALLY OCCURING SOLID THAT HAS A CRYSTAL
  STRUCTURE AND A DEFINITE CHEMICAL COMPOSITION IS
  CALLED A_______.

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• MINERAL

103

• THREE PROPERTIES USED TO IDENTIFY MINERAL
  CRYSTALS ARE ________________.

104

• CRYSTAL SHAPE, HARDNESS, AND THE WAY IT BREAKS

105

• _________ ARE VERY ENERGETIC PARTICLES MOVING
  ABOUT IN THE SPACE OUTSIDE THE NUCLEUS.

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• ELECTRONS

107

• A NEUTRAL ATOM NEVER HAS MORE THAN _____________
  VALENCE ELECTRONS.

108

• 8

109

• ELEMENTS IN THE SAME ROW OF THE PERIODIC TABLE
  ARE IN THE SAME _______________

110

• PERIOD

111

• ELEMENTS IN GROUP 17 (THE HALOGENS) ARE THE
  _______ REACTIVE NONMETALS.

112

• MOST

113

• ELEMENTS IN GROUP 1 LOSE ONE ELECTRON TO FORM
  IONS WITH A _______ CHARGE.

114

• 1

115

• WHEN AN IONIC COMPOUND FORMS, THE TOTAL NUMBER OF
  POSITIVE CHARGES AND THE TOTAL NUMBER OF NEGATIVE
  CHARGES MUST BE __________.

116

• EQUAL

117

• IN A DOUBLE COVALENT BOND, _____ ELECTRONS ARE
  SHARED BETWEEN TWO ATOMS.

118

• 4 (2 PAIRS)

119

• BECAUSE THE ELECTRONS IN A MOLECULE OF HYDROGEN
  FLOURIDE (HF) ARE MORE STRONGLY PULLED TOWARD THE
  FLOURINE ATOM, THE MOLECULE IS ___________.

120

• POLAR