If You Could Line Up Atoms of Lead-208, Approximately How

question 87

Multiple Choice

If you could line up atoms of lead-208, approximately how many atoms would you need to line up in order for them to form a line 1 inch long?

• A) 82
• B) 208
• C) 8.2 x 10⁷
• D) 1.6 x 10¹²

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Definitions:

Social Skills Training

A form of behavior therapy used by teachers, therapists, and trainers to help individuals with difficulties in social interactions learn and practice appropriate social behaviors.

Modelling

A method used in various contexts, such as learning or predicting outcomes, where one represents a system or process through simplified descriptions or simulations.

Behavioural Rehearsal

A method used in psychotherapy where individuals practice or role-play real-life situations to improve their response or behavior.

Exposure Therapy

A psychological treatment designed to help individuals confront their fears by gradually exposing them to the feared object or context without any danger, in order to overcome their anxiety.