Laws of Nature Can Be Characterized by Saying That They

question 21

Multiple Choice

Laws of nature can be characterized by saying that they

• A) arise from repeated observation but no testing.
• B) represent our best understanding of how the universe works in certain circumstances.
• C) are not subject to change based upon additional observations.
• D) always have exceptions and other defects.
• E) are the same as absolute truths.

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Definitions:

Electrons

Subatomic particles with a negative electric charge, found orbiting the nucleus of atoms and playing a crucial role in chemical bonds.

Protons

Positively charged subatomic particles found in the nucleus of an atom, contributing to the atom's overall charge and mass.

Molecules

The smallest units of a chemical substance that can exist independently while retaining the properties of the substance.

Mole

The atomic mass of an element or the molecular mass of a compound, expressed in grams; one mole of any substance has 6.02 x 10^23 units (Avogadro’s number).