One-To-One Relationships Are Rare

question 22

True/False

One-to-one relationships are rare.

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Definitions:

Nitrogen

A colorless, odorless, tasteless gas that constitutes approximately 78% of the Earth's atmosphere and is a vital part of living organisms' compounds.

Helium

Helium is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas series in the periodic table, with the symbol He and atomic number 2.

Oxygen

A chemical element with symbol O and atomic number 8, essential for respiration in living organisms and a component of air.

Neon

A colorless, inert noble gas used in lighting and signs, symbolized as Ne and atomic number 10.