Introduction to Chemistry Flashcards
Which best describes the field of chemistry?
a. Study of natural phenomena
b. Study of environmental degradation
c. Study of subatomic particles
d. Study of matter and energy
d. Study of matter and energy
Why is chemistry known as the central science?
a. All other sciences are based on it.
b. It touches all natural sciences
c. Every scientist has to learn chemistry
d. First natural science developed
a. All other sciences are based on it.
What are some examples of chemistry?
a. Chemical Reactions
b. Metallurgy
c. Fermentation
d. All of these
d. All of these
A science that examines the material the universe and changes occurs in them is called ____.
a. Astronomy
b. Biology
c. Chemistry
d. Physics
c. Chemistry
The branch of chemistry that would measure the amount of energy an atom absorbs in nuclear reactions
a. Analytical Chemistry
b. Organic Chemistry
c. Inorganic Chemistry
d. Physical Chemistry
d. Physical Chemistry
Carbon based chemistry is_______.
a. Physical Chemistry
b. Analytical Chemistry
c. Organic Chemistry
d. Inorganic Chemistry
c. Organic Chemistry
The area that deals with the identification of the components and composition of materials.
a. Analytical Chemistry
b. Physical Chemistry
c. Inorganic Chemistry
d. Organic Chemistry
a. Analytical Chemistry
Greek thinker; called nature’s basic particle an atom, based on the Greek word “atomos” which means “indivisible”
a. Aristotle
b. Democritus
c. J.J. Thomson
d. Dalton
b. Democritus
The Chemistry of Living organisms is physical chemistry
Select one: True or False
False
The Chemistry of mathematics and principles behind observed chemical behavior is theoretical Chemistry
Select one: True or False
True
Modern chemistry that holds the key to unlock the gate to fundamental knowledge of the hidden causes of health and disease
Select one: True or False
True
English schoolteacher; who believed that atoms are the fundamental units of matter and are indivisible
a. Democritus
b. Thomson
c. Dalton
d. Aristotle
c. Dalton
Who determined that there was no limit of times atoms could be divided?
a. Dalton
b. Democritus
c. Aristotle
d. Thomson
c. Aristotle
William Crookes made his discovery about the negative particles of atom during an experiment using_______.
a. X-rays
b. Cathode Rays
c. Thermal Energy
d. Kinetic energy
b. Cathode Rays
What did Eugen Goldstein learn about canal ray experiment?
a. is a beam of positive ions
b. is a beam of X rays
c. is a beam of negative ions
d. is a beam of both positive and negative ions
a. is a beam of positive ions
