Question 1

Give the name of the element whose symbol is Na.

Accepted Answer

The answer of Give the name of the element whose...

Question 2

Give the symbol for silver.

Accepted Answer

A)  S 
B)  Si 
C)  Ar 
D)  Ag 
E)  Sl 
A)  S 
B)  Si 
C)  Ar 
D)  Ag 
E)  Sl

Question 3

Calculate the mass (in ng)of 2.33 × 1020 atoms of oxygen.

Accepted Answer

A)  6.19 × 106 ng 
B)  1.62 × 107 ng 
C)  2.25 × 103 ng 
D)  3.73 × 106 ng 
E)  4.69 × 107 ng 
A)  6.19 × 106 ng 
B)  1.62 × 107 ng 
C)  2.25 × 103 ng 
D)  3.73 × 106 ng 
E)  4.69 × 107 ng

Question 4

Which of the following elements is a noble gas?

Accepted Answer

A)  As 
B)  C 
C)  F 
D)  Co 
E)  He 
A)  As 
B)  C 
C)  F 
D)  Co 
E)  He

Question 5

Which of the following statements is FALSE according to Dalton's Atomic Theory?

Accepted Answer

A)  Atoms combine in simple whole number ratios to form compounds. 
B)  All atoms of chlorine have identical properties that distinguish them from other elements. 
C)  One carbon atom will combine with one oxygen atom to form a molecule of carbon monoxide. 
D)  Atoms of sodium do not change into another element during chemical reaction with chlorine. 
E)  An atom of nitrogen can be broken down into smaller particles that will still have the unique properties of nitrogen. 
A)  Atoms combine in simple whole number ratios to form compounds. 
B)  All atoms of chlorine have identical properties that distinguish them from other elements. 
C)  One carbon atom will combine with one oxygen atom to form a molecule of carbon monoxide. 
D)  Atoms of sodium do not change into another element during chemical reaction with chlorine. 
E)  An atom of nitrogen can be broken down into smaller particles that will still have the unique properties of nitrogen.

Question 6

How many neutrons are in manganese-54?

Accepted Answer

A)  25 
B)  30 
C)  29 
D)  29.4 
E)  54.9 
A)  25 
B)  30 
C)  29 
D)  29.4 
E)  54.9

Question 7

Identify the description of an atom.

Accepted Answer

A)  neutrons and electrons in nucleus; protons in orbitals 
B)  neutrons in nucleus; protons and electrons in orbitals 
C)  protons and neutrons in nucleus; electrons in orbitals 
D)  protons and electrons in nucleus; neutrons in orbitals 
E)  electrons in nucleus; protons and neutrons in orbitals 
A)  neutrons and electrons in nucleus; protons in orbitals 
B)  neutrons in nucleus; protons and electrons in orbitals 
C)  protons and neutrons in nucleus; electrons in orbitals 
D)  protons and electrons in nucleus; neutrons in orbitals 
E)  electrons in nucleus; protons and neutrons in orbitals

Question 8

Identify how the atomic mass of an element is determined.

Accepted Answer

A)  average of ions 
B)  average of isotopic masses 
C)  average of radioactive particles 
D)  average of crude weights 
E)  average of protons 
A)  average of ions 
B)  average of isotopic masses 
C)  average of radioactive particles 
D)  average of crude weights 
E)  average of protons

Question 9

Determine the number of protons,neutrons,and electrons in the following:   X

Accepted Answer

A)  p+ = 36 n° = 29 e- = 36 
B)  p+ = 29 n° = 29 e- = 36 
C)  p+ = 36 n° = 36 e- = 29 
D)  p+ = 29 n° = 36 e- = 29 
E)  p+ = 29 n° = 36 e- = 36 
A)  p+ = 36 n° = 29 e- = 36 
B)  p+ = 29 n° = 29 e- = 36 
C)  p+ = 36 n° = 36 e- = 29 
D)  p+ = 29 n° = 36 e- = 29 
E)  p+ = 29 n° = 36 e- = 36

Question 10

Which of the following elements is in Period 4?

Accepted Answer

A)  Zr 
B)  Ca 
C)  Bi 
D)  He 
E)  Ag 
A)  Zr 
B)  Ca 
C)  Bi 
D)  He 
E)  Ag

Question 11

Which of the following statements is FALSE?

Accepted Answer

A)  Anions are usually larger than their corresponding atom. 
B)  Metals tend to form cations. 
C)  Atoms are usually larger than their corresponding cation. 
D)  The halogens tend to form 1+ ions. 
E)  Nonmetals tend to gain electrons. 
A)  Anions are usually larger than their corresponding atom. 
B)  Metals tend to form cations. 
C)  Atoms are usually larger than their corresponding cation. 
D)  The halogens tend to form 1+ ions. 
E)  Nonmetals tend to gain electrons.

Question 12

Which of the following does NOT describe a nonmetal?

Accepted Answer

A)  tends to gain electrons 
B)  found in the upper right hand corner of the periodic table 
C)  poor conductor of electricity 
D)  nonmetals are generally unreactive 
E)  poor conductor of heat 
A)  tends to gain electrons 
B)  found in the upper right hand corner of the periodic table 
C)  poor conductor of electricity 
D)  nonmetals are generally unreactive 
E)  poor conductor of heat

Question 13

Which of the following elements is a good conductor of heat and electricity?

Accepted Answer

A)  carbon 
B)  chlorine 
C)  xenon 
D)  aluminum 
A)  carbon 
B)  chlorine 
C)  xenon 
D)  aluminum

Question 14

Identify the equipment that Millikan utilized to do his research.

Accepted Answer

A)  cathode ray tube 
B)  light bulb 
C)  oscilloscope 
D)  oil atomizer, light source, microscope 
E)  electromagnetic field generator 
A)  cathode ray tube 
B)  light bulb 
C)  oscilloscope 
D)  oil atomizer, light source, microscope 
E)  electromagnetic field generator

Question 15

Identify the chemical symbol of element Q in   Q.

Accepted Answer

A)  Ar 
B)  F 
C)  Ne 
D)  O 
A)  Ar 
B)  F 
C)  Ne 
D)  O

Question 16

Iodine belongs to the ________ group of the periodic table.

Accepted Answer

A)  alkali metal 
B)  metal 
C)  halogen 
D)  noble gas 
A)  alkali metal 
B)  metal 
C)  halogen 
D)  noble gas

Question 17

Which of the following contains the most atoms? You shouldn't need to do a calculation here.

Accepted Answer

A)  10.0 g Mg 
B)  10.0 g Li 
C)  10.0 g Ca 
D)  10.0 g Kr 
E)  10.0 g Ba 
A)  10.0 g Mg 
B)  10.0 g Li 
C)  10.0 g Ca 
D)  10.0 g Kr 
E)  10.0 g Ba

Exam 2: Atoms and Elements

Give the name of the element whose symbol is Na.

Give the symbol for silver.

Calculate the mass (in ng)of 2.33 × 1020 atoms of oxygen.

Which of the following elements is a noble gas?

Which of the following statements is FALSE according to Dalton's Atomic Theory?

How many neutrons are in manganese-54?

Identify the description of an atom.

Identify how the atomic mass of an element is determined.

Determine the number of protons,neutrons,and electrons in the following: X

Which of the following elements is in Period 4?

Which of the following statements is FALSE?

Which of the following does NOT describe a nonmetal?

Which of the following elements is a good conductor of heat and electricity?

Identify the equipment that Millikan utilized to do his research.

Identify the chemical symbol of element Q in Q.

Iodine belongs to the ________ group of the periodic table.

Which of the following contains the most atoms? You shouldn't need to do a calculation here.

Matter, measurement, and Problem Solving

Molecules,compounds,and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes,valence Bond Theory,

Liquids,solids,and Intermolecular Forces

Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

Calculate the mass (in ng)of 2.33 × 10²⁰atoms of oxygen.