Question 1

In an electrically neutral atom,the number of protons in the nucleus is balanced by an equal number of

Accepted Answer

A) neutrons. 
B) quarks. 
C) orbital electrons. 
D) all of these 
E) none of these 
A) neutrons. 
B) quarks. 
C) orbital electrons. 
D) all of these 
E) none of these

Question 2

The reason a granite block is mostly empty space is that the atoms in the granite are

Accepted Answer

A) in perpetual motion. 
B) mostly empty space themselves. 
C) held together by electrical forces. 
D) not as close together as they could be. 
E) invisible. 
A) in perpetual motion. 
B) mostly empty space themselves. 
C) held together by electrical forces. 
D) not as close together as they could be. 
E) invisible.

Question 3

What is the molecular mass of a water molecule?

Accepted Answer

A) 10 amu 
B) 12 amu 
C) 15 amu 
D) 18 amu 
E) None of these.It depends on the temperature. 
A) 10 amu 
B) 12 amu 
C) 15 amu 
D) 18 amu 
E) None of these.It depends on the temperature.

Question 4

Which has the greatest number of protons in its nucleus?

Accepted Answer

A) gold. 
B) mercury. 
C) lead. 
D) silver. 
A) gold. 
B) mercury. 
C) lead. 
D) silver.

In an electrically neutral atom,the number of protons in the nucleus is balanced by an equal number of

The reason a granite block is mostly empty space is that the atoms in the granite are

What is the molecular mass of a water molecule?

Which has the greatest number of protons in its nucleus?

About Science

Newtons First Law of Motion: Inertia

Linear Motion

Newtons Second Law of Motion: Force and Acceleration

Newtons Third Law of Motion: Action and Reaction

Momentum

Energy

Rotational Motion

Gravity

Projectile and Satellite Motion

Solids

Liquids

Gases and Plasmas

Temperature,heat,and Expansion

Heat Transfer

Change of Phase

Thermodynamics

Vibrations and Waves

Sound

Musical Sounds

Electrostatics

Electric Current

Magnetism

Electromagnetic Induction

Properties of Light

Color

Reflection and Refraction

Light Waves

Light Emission

Light Quanta

The Atom and the Quantum

Atomic Nucleus and Radioactivity

Nuclear Fission and Fusion

Special Theory of Relativity

General Theory of Relativity

Filters

Exam 11: Atomic Nature of Matter

In an electrically neutral atom,the number of protons in the nucleus is balanced by an equal number of

The reason a granite block is mostly empty space is that the atoms in the granite are

What is the molecular mass of a water molecule?

Which has the greatest number of protons in its nucleus?

About Science

Newtons First Law of Motion: Inertia

Linear Motion

Newtons Second Law of Motion: Force and Acceleration

Newtons Third Law of Motion: Action and Reaction

Momentum

Energy

Rotational Motion

Gravity

Projectile and Satellite Motion

Solids

Liquids

Gases and Plasmas

Temperature,heat,and Expansion

Heat Transfer

Change of Phase

Thermodynamics

Vibrations and Waves

Sound

Musical Sounds

Electrostatics

Electric Current

Magnetism

Electromagnetic Induction

Properties of Light

Color

Reflection and Refraction

Light Waves

Light Emission

Light Quanta

The Atom and the Quantum

Atomic Nucleus and Radioactivity

Nuclear Fission and Fusion

Special Theory of Relativity

General Theory of Relativity

Filters