A Piece of Plastic Has a Net Charge of +2

question 13

Multiple Choice

A piece of plastic has a net charge of +2.00 μC. How many more protons than electrons does this piece of plastic have?

• A) 1.25 × 10¹³
• B) 1.25 × 10¹⁹
• C) 2.50 × 10¹³
• D) 2.50 × 10¹⁹
• E) 0

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Definitions:

Validation Rule

A criterion or set of criteria that data must satisfy before it is accepted or processed by a system.

Validation Text

A message that appears when entered data does not adhere to predefined rules or criteria in a form or database.

Access

A database management system from Microsoft that combines the relational Microsoft Jet Database Engine with a graphical user interface and software-development tools.

Validation Rule Expression

A formula or criterion that a data entry must comply with to be accepted by a system or application.