short history of Chemistry Questions

What does the word "conservation" in the passage most closely mean?

• Creation

• Protection

• Preservation

• Transformation

The term "alchemy" in the passage refers to:

• The scientific study of gold

• The belief that metals could be turned into gold

• The process of combustion

• The classification of elements

What does the phrase "atomic structure" refer to?

• The way elements are arranged in the periodic table

• The composition of an atom and its parts

• The properties of different substances

• The chemical reactions between elements

The phrase "chemical properties" in the passage refers to:

• The physical appearance of substances

• The characteristics of substances that define how they react

• The arrangement of atoms in a molecule

• The conservation of mass in reactions

In the passage, the word "elements" refers to:

• Small particles of matter

• Substances that cannot be broken down further

• The atomic weight of substances

• The scientific name for compounds

What does the word "classification" in the passage mean?

• The arrangement of things into categories

• The measurement of atomic mass

• The process of combustion

• The prediction of chemical reactions

The word "formulated" in the passage most closely means:

• Disproved

• Created or developed

• Burned

• Discovered

What does the term "radioactivity" refer to?

• The reaction between elements

• The emission of particles from unstable atoms

• The discovery of the periodic table

• The process of turning metals into gold

The phrase "false science" in the passage is used to describe:

• Chemistry

• Alchemy

• The study of combustion

• Atomic structure

In the passage, the word "substances" most likely refers to:

• Elements and compounds

• Solid objects only

• Living organisms

• Mathematical calculations