At What Age Should Infants Respond to the Instruction "No

question 35

Multiple Choice

At what age should infants respond to the instruction "No" and quickly turn to the sound of their name?

• A) 1 month of age
• B) 2 to 4 months of age
• C) 4 to 8 months of age
• D) 8 to 12 months of age
• E) 12 to 18 months of age

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Definitions:

Oxidation Number

A value that represents the total number of electrons that an atom either gains or loses in order to form a chemical bond with another atom.

Cl

Symbol for Chlorine, a reactive, yellow-green gas at room temperature, belonging to the halogen group in the periodic table, with applications in water purification, disinfectants, and bleach.

Elemental Metals

A group of elements that share properties such as high electrical conductivity, malleability, and a shiny appearance.

Redox Reaction

A type of chemical reaction that involves a transfer of electrons between two species.