The Approximate Age at Which Solid Foods Should Be Added

question 39

Multiple Choice

The approximate age at which solid foods should be added to the infant's diet is:

• A) 2 to 3 months.
• B) 4 to 6 months.
• C) 6 to 7 months.
• D) 12 months.

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Definitions:

Atomic Mass

The mass of an atom expressed in atomic mass units (amu), approximately equivalent to the total number of protons and neutrons in the atom's nucleus.

Isotopes

Variants of a particular chemical element that have the same number of protons in their nuclei but different numbers of neutrons, resulting in different atomic masses.

Protons

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

Hydrogen Bonding

A type of weak chemical bond formed when a hydrogen atom that is bonded to a highly electronegative atom like oxygen or nitrogen experiences attraction to another electronegative atom.