Question 1

What makes an element distinct?

Accepted Answer

A)  the number of neutrons 
B)  the number of protons 
C)  the number of electrons 
D)  the total mass of all the particles 
E)  none of these 
A)  the number of neutrons 
B)  the number of protons 
C)  the number of electrons 
D)  the total mass of all the particles 
E)  none of these B

Question 2

If an astronaut landed on a planet made of antimatter, there would be an explosion and

Accepted Answer

A)  the planet would annihilate. 
B)  the astronaut would annihilate. 
C)  the astronaut and an equal amount of the planet would both annihilate. 
D)  an amount of planet matter equal to that of the astronaut would annihilate. 
A)  the planet would annihilate. 
B)  the astronaut would annihilate. 
C)  the astronaut and an equal amount of the planet would both annihilate. 
D)  an amount of planet matter equal to that of the astronaut would annihilate. C

Question 3

In our part of the universe, antimatter is

Accepted Answer

A)  long-lived. 
B)  non-existent. 
C)  short-lived. 
D)  plentiful. 
A)  long-lived. 
B)  non-existent. 
C)  short-lived. 
D)  plentiful. C

Question 4

How many different elements are in a water molecule?

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
E)  none 
A)  one 
B)  two 
C)  three 
D)  four 
E)  none

Question 5

Nuclei of atoms that make up a newborn baby were made in

Accepted Answer

A)  the mother's womb. 
B)  the food the mother eats before giving birth. 
C)  the Earth. 
D)  ancient stars. 
E)  none of these 
A)  the mother's womb. 
B)  the food the mother eats before giving birth. 
C)  the Earth. 
D)  ancient stars. 
E)  none of these

Question 6

If one neutron is added to a helium nucleus, the result is

Accepted Answer

A)  hydrogen. 
B)  lithium. 
C)  helium. 
D)  beryllium. 
E)  boron. 
A)  hydrogen. 
B)  lithium. 
C)  helium. 
D)  beryllium. 
E)  boron.

Question 7

In a closed bottle are a certain number of hydrogen molecules. In an identical closed bottle at the same temperature and internal pressure are a certain number of nitrogen molecules. The bottle
With the greater number of molecules is the one containing

Accepted Answer

A)  nitrogen. 
B)  hydrogen. 
C)  both the same 
A)  nitrogen. 
B)  hydrogen. 
C)  both the same

Question 8

Which of the following are electrically neutral?

Accepted Answer

A)  neutron 
B)  ion 
C)  proton 
D)  electron 
E)  none of these 
A)  neutron 
B)  ion 
C)  proton 
D)  electron 
E)  none of these

Question 9

The weight of matter comes mostly from its

Accepted Answer

A)  neutrons 
B)  protons. 
C)  electrons. 
A)  neutrons 
B)  protons. 
C)  electrons.

Question 10

Brownian motion has to do with the

Accepted Answer

A)  first direct measurement of atomic motion. 
B)  rhythmic movements of atoms in a liquid. 
C)  size of atoms. 
D)  random motions of atoms and molecules. 
E)  atomic vibrations. 
A)  first direct measurement of atomic motion. 
B)  rhythmic movements of atoms in a liquid. 
C)  size of atoms. 
D)  random motions of atoms and molecules. 
E)  atomic vibrations.

Question 11

The chemical properties of matter come mostly from its

Accepted Answer

A)  electrons. 
B)  protons. 
C)  neutrons. 
A)  electrons. 
B)  protons. 
C)  neutrons.

Question 12

Atoms heavier than hydrogen were made by

Accepted Answer

A)  radioactivity. 
B)  radiant energy conversion. 
C)  photosynthesis. 
D)  nuclear fusion. 
E)  none of these 
A)  radioactivity. 
B)  radiant energy conversion. 
C)  photosynthesis. 
D)  nuclear fusion. 
E)  none of these

Question 13

A factor that usually determines whether a substance is in the solid, liquid, gaseous, or plasma state is its

Accepted Answer

A)  composition. 
B)  temperature. 
C)  atomic shell configuration. 
D)  atomic number. 
E)  none of these 
A)  composition. 
B)  temperature. 
C)  atomic shell configuration. 
D)  atomic number. 
E)  none of these

Question 14

Which of the following is not a mixture?

Accepted Answer

A)  air 
B)  granite 
C)  beach sand 
D)  cake 
E)  None. All of the above choices are mixtures. 
A)  air 
B)  granite 
C)  beach sand 
D)  cake 
E)  None. All of the above choices are mixtures.

Question 15

Which of these atoms has the greatest number of electrons?

Accepted Answer

A)  carbon 
B)  helium 
C)  gold 
D)  uranium 
E)  iron 
A)  carbon 
B)  helium 
C)  gold 
D)  uranium 
E)  iron

Question 16

A molecule has

Accepted Answer

A)  energy. 
B)  structure. 
C)  mass. 
D)  all of these 
E)  none of these 
A)  energy. 
B)  structure. 
C)  mass. 
D)  all of these 
E)  none of these

Question 17

If two protons are removed from an oxygen nucleus, the result is

Accepted Answer

A)  helium. 
B)  neon. 
C)  nitrogen. 
D)  carbon. 
E)  positively charged oxygen. 
A)  helium. 
B)  neon. 
C)  nitrogen. 
D)  carbon. 
E)  positively charged oxygen.

Question 18

Compared to the mass of a hydrogen atom, the mass of an oxygen atom is

Accepted Answer

A)  12 times as great. 
B)  16 times as great. 
C)  8 times as great. 
D)  appreciably more than 16 times as great. 
A)  12 times as great. 
B)  16 times as great. 
C)  8 times as great. 
D)  appreciably more than 16 times as great.

Question 19

If a gram of antimatter meets a kilogram of matter, the amount of mass to survive is

Accepted Answer

A)  1 kilogram. 
B)  1 gram. 
C)  999 grams. 
D)  1.1 kilogram. 
A)  1 kilogram. 
B)  1 gram. 
C)  999 grams. 
D)  1.1 kilogram.

Question 20

If a pair of helium nuclei are fused together, the result is

Accepted Answer

A)  helium isotope. 
B)  beryllium. 
C)  lithium. 
D)  boron. 
E)  carbon. 
A)  helium isotope. 
B)  beryllium. 
C)  lithium. 
D)  boron. 
E)  carbon.

What makes an element distinct?

If an astronaut landed on a planet made of antimatter, there would be an explosion and

In our part of the universe, antimatter is

How many different elements are in a water molecule?

Nuclei of atoms that make up a newborn baby were made in

If one neutron is added to a helium nucleus, the result is

In a closed bottle are a certain number of hydrogen molecules. In an identical closed bottle at the same temperature and internal pressure are a certain number of nitrogen molecules. The bottle With the greater number of molecules is the one containing

Which of the following are electrically neutral?

The weight of matter comes mostly from its

Brownian motion has to do with the

The chemical properties of matter come mostly from its

Atoms heavier than hydrogen were made by

A factor that usually determines whether a substance is in the solid, liquid, gaseous, or plasma state is its

Which of the following is not a mixture?

Which of these atoms has the greatest number of electrons?

A molecule has

If two protons are removed from an oxygen nucleus, the result is

Compared to the mass of a hydrogen atom, the mass of an oxygen atom is

If a gram of antimatter meets a kilogram of matter, the amount of mass to survive is

If a pair of helium nuclei are fused together, the result is

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Exam 2: Atoms

What makes an element distinct?

If an astronaut landed on a planet made of antimatter, there would be an explosion and

In our part of the universe, antimatter is

How many different elements are in a water molecule?

Nuclei of atoms that make up a newborn baby were made in

If one neutron is added to a helium nucleus, the result is

In a closed bottle are a certain number of hydrogen molecules. In an identical closed bottle at the same temperature and internal pressure are a certain number of nitrogen molecules. The bottle With the greater number of molecules is the one containing

Which of the following are electrically neutral?

The weight of matter comes mostly from its

Brownian motion has to do with the

The chemical properties of matter come mostly from its

Atoms heavier than hydrogen were made by

A factor that usually determines whether a substance is in the solid, liquid, gaseous, or plasma state is its

Which of the following is not a mixture?

Which of these atoms has the greatest number of electrons?

A molecule has

If two protons are removed from an oxygen nucleus, the result is

Compared to the mass of a hydrogen atom, the mass of an oxygen atom is

If a gram of antimatter meets a kilogram of matter, the amount of mass to survive is

If a pair of helium nuclei are fused together, the result is

About Science

Equilibrium and Linear Motion

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Temperature, Heat, and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light Waves

Properties of Light

Quantum Theory

The Atomic Nucleus and Radioactivity

Physics of Rotation and Equilibrium

Filters