An Atom Has an Atomic Number of 19 and a Mass

question 75

Multiple Choice

An atom has an atomic number of 19 and a mass number of 39. This atom will have

• A) 19 neutrons.
• B) 20 neutrons.
• C) 39 neutrons.
• D) 58 neutrons.
• E) 20 electrons.

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Definitions:

Array Index

The numerical position within an array, starting from 0, used to access or modify the value stored at that location.

Array Subscripting

The process of accessing elements of an array by specifying the index (or subscript) of the desired element.

Operator

In programming, an operator is a symbol that specifies which operations to perform on one or more operands, such as addition, subtraction, or comparison.

Components

In software and electronic hardware, components refer to individual parts or elements that make up a system or device.