Question 1

What are the chemical characteristics of the alkaline earth metals of the periodic table?

Accepted Answer

The alkaline earth metals include beryll

Question 2

An atom that becomes an ion always changes from having an equal number of protons and electrons to having

Accepted Answer

A)  more neutrons than protons. 
B)  an electrical charge, either positive or negative. 
C)  more electrons than protons. 
D)  more protons than electrons. 
E)  an equal number of protons, neutrons, and electrons. 
A)  more neutrons than protons. 
B)  an electrical charge, either positive or negative. 
C)  more electrons than protons. 
D)  more protons than electrons. 
E)  an equal number of protons, neutrons, and electrons.

Question 3

What was the contribution of the English physicist Joseph John Thompson to the study of atoms and what was his relationship to Ernest Rutherford?

Accepted Answer

Thompson was the first to unam

Question 4

Predict what would happen if the electrical charges on an atom were reversed. In other words, what if protons were negative and electrons were positive? Would the periodic table still be viable as a predictive model?

Accepted Answer

It is likely that the periodic

Question 5

In the periodic table of the elements, the heaviest element is located

Accepted Answer

A)  at the top right corner. 
B)  in the center of the chart. 
C)  at the lower right corner. 
D)  at the top left corner. 
E)  at the lower left corner. 
A)  at the top right corner. 
B)  in the center of the chart. 
C)  at the lower right corner. 
D)  at the top left corner. 
E)  at the lower left corner.

Question 6

Summarize the evolution of ideas and theories about atoms from the Greek philosophers to the present day.

Accepted Answer

The Greek philosopher Democritus suggest

Question 7

In the periodic table, elements are arranged in order of

Accepted Answer

A)  atomic number. 
B)  number of neutrons. 
C)  number of electrons minus one. 
D)  atomic size. 
E)  the alphabet. 
A)  atomic number. 
B)  number of neutrons. 
C)  number of electrons minus one. 
D)  atomic size. 
E)  the alphabet.

Question 8

Physical principles predict that the solar system model of the atom cannot be viable because

Accepted Answer

A)  atoms would be constantly emitting energy. 
B)  atoms would be constantly absorbing energy. 
C)  compounds could not be easily formed. 
D)  atoms would not have symmetrical shapes. 
E)  the law of thermodynamics would not work. 
A)  atoms would be constantly emitting energy. 
B)  atoms would be constantly absorbing energy. 
C)  compounds could not be easily formed. 
D)  atoms would not have symmetrical shapes. 
E)  the law of thermodynamics would not work.

Question 9

What is the Pauli exclusion principle? Explain.

Accepted Answer

This principle says that no two electron

Question 10

Mendeleev's periodic table was organized according to rules of scientific method. Which statement below follows those rules?

Accepted Answer

A)  The periodic table made predictions that could be tested. 
B)  Only scientists could understand the periodic table. 
C)  Information that refuted Mendeleev's hypothesis was ignored. 
D)  Mendeleev's listed the elements alphabetically. 
E)  The periodic table has not changed in 100 years. 
A)  The periodic table made predictions that could be tested. 
B)  Only scientists could understand the periodic table. 
C)  Information that refuted Mendeleev's hypothesis was ignored. 
D)  Mendeleev's listed the elements alphabetically. 
E)  The periodic table has not changed in 100 years.

What are the chemical characteristics of the alkaline earth metals of the periodic table?

An atom that becomes an ion always changes from having an equal number of protons and electrons to having

What was the contribution of the English physicist Joseph John Thompson to the study of atoms and what was his relationship to Ernest Rutherford?

Predict what would happen if the electrical charges on an atom were reversed. In other words, what if protons were negative and electrons were positive? Would the periodic table still be viable as a predictive model?

In the periodic table of the elements, the heaviest element is located

Summarize the evolution of ideas and theories about atoms from the Greek philosophers to the present day.

In the periodic table, elements are arranged in order of

Physical principles predict that the solar system model of the atom cannot be viable because

What is the Pauli exclusion principle? Explain.

Mendeleev's periodic table was organized according to rules of scientific method. Which statement below follows those rules?

Science: a Way of Knowing: How Do You Know What You Know

The Ordered Universe: Why Do Planets Appear to Wander Slowly Across the Sky

Energy: Why Must Animals Eat to Stay Alive

Heat and the Second Law of Thermodynamics: Why Is It Easier to Make an Omelet From an Egg Than to Make an Egg From an Omelet

Electricity and Magnetism: What Is Lightning

Waves and Electromagnetic Radiation: What Is Color

Albert Einstein and the Theory of Relativity: Can a Human Ever Travel Faster Than the Speed of Light, at Warp Speed

Quantum Mechanics: How Can the Electron Behave Like Both a Particle and a Wave

Atoms in Combination: the Chemical Bond: How Does Blood Clot

Materials and Their Properties: How Have Computers Gotten so Much Faster

The Nucleus of the Atom: How Do Scientists Determine the Age of the Oldest Human Fossils

The Ultimate Structure of Matter: How Can Antimatter Be Used to Probe the Human Brain

The Stars: How Much Longer Can the Sun Sustain Life on Earth

Cosmology: Will the Universe End

Earth and Other Planets: Is Earth the Only Planet With Life

Plate Tectonics: Can We Predict Destructive Earthquakes

Earths Many Cycles: Will We Ever Run Out of Fresh Water

Ecology, Ecosystems, and the Environment: Are Human Activities Affecting the Global Environment

Strategies of Life: What Is Life

The Living Cell: What Is the Smallest Living Thing

Molecules of Life: What Constitutes a Healthy Diet

Classical and Modern Genetics: Why Do Offspring Resemble Their Parents

The New Science of Life: Can We Cure Cancer

Evolution: How Did Life Emerge on the Ancient Earth

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Exam 8: The Atom: Why Are There so Many Different Materials in the World

What are the chemical characteristics of the alkaline earth metals of the periodic table?

An atom that becomes an ion always changes from having an equal number of protons and electrons to having

What was the contribution of the English physicist Joseph John Thompson to the study of atoms and what was his relationship to Ernest Rutherford?

Predict what would happen if the electrical charges on an atom were reversed. In other words, what if protons were negative and electrons were positive? Would the periodic table still be viable as a predictive model?

In the periodic table of the elements, the heaviest element is located

Summarize the evolution of ideas and theories about atoms from the Greek philosophers to the present day.

In the periodic table, elements are arranged in order of

Physical principles predict that the solar system model of the atom cannot be viable because

What is the Pauli exclusion principle? Explain.

Mendeleev's periodic table was organized according to rules of scientific method. Which statement below follows those rules?

Science: a Way of Knowing: How Do You Know What You Know

The Ordered Universe: Why Do Planets Appear to Wander Slowly Across the Sky

Energy: Why Must Animals Eat to Stay Alive

Heat and the Second Law of Thermodynamics: Why Is It Easier to Make an Omelet From an Egg Than to Make an Egg From an Omelet

Electricity and Magnetism: What Is Lightning

Waves and Electromagnetic Radiation: What Is Color

Albert Einstein and the Theory of Relativity: Can a Human Ever Travel Faster Than the Speed of Light, at Warp Speed

Quantum Mechanics: How Can the Electron Behave Like Both a Particle and a Wave

Atoms in Combination: the Chemical Bond: How Does Blood Clot

Materials and Their Properties: How Have Computers Gotten so Much Faster

The Nucleus of the Atom: How Do Scientists Determine the Age of the Oldest Human Fossils

The Ultimate Structure of Matter: How Can Antimatter Be Used to Probe the Human Brain

The Stars: How Much Longer Can the Sun Sustain Life on Earth

Cosmology: Will the Universe End

Earth and Other Planets: Is Earth the Only Planet With Life

Plate Tectonics: Can We Predict Destructive Earthquakes

Earths Many Cycles: Will We Ever Run Out of Fresh Water

Ecology, Ecosystems, and the Environment: Are Human Activities Affecting the Global Environment

Strategies of Life: What Is Life

The Living Cell: What Is the Smallest Living Thing

Molecules of Life: What Constitutes a Healthy Diet

Classical and Modern Genetics: Why Do Offspring Resemble Their Parents

The New Science of Life: Can We Cure Cancer

Evolution: How Did Life Emerge on the Ancient Earth

Filters