Which of the Following Is Not a Correct Element Name-Symbol

question 23

Multiple Choice

Which of the following is not a correct element name-symbol combination?

• A) copper, Cu
• B) arsenic, Ar
• C) gold, Au

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Definitions:

Pincer Grasp

The coordination of index finger and thumb to hold an item, an important developmental milestone in infants.

Crude Pincer Grasp

A developmental milestone in infants where they begin to grasp objects using their thumb and fingers in a less refined manner.

Piaget

Swiss psychologist Jean Piaget, known for his pioneering studies on the cognitive development of children.

Secondary Circular Reactions

A developmental phase in infants, from about 4 to 8 months, characterized by repetitive actions intended to reproduce desirable effects.