The Atomic Mass Number of a Nucleus Is Equivalent to Which

question 29

Multiple Choice

The atomic mass number of a nucleus is equivalent to which of the following numbers?

• A)number of neutrons present
• B)number of protons present
• C)difference in neutron and proton numbers
• D)sum of neutron and proton numbers

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Definitions:

UI

Universal Instantiation, a logical rule of inference stating if something is true for everything in a category, it is true for any specific instance of that category.

Quantifier-Negation Rule

A principle in formal logic that deals with the relationship between quantifiers and the negation of statements.

Quantifier

A symbol or word in logic that specifies the quantity of specimens in the domain of discourse that satisfy an open formula.

Negation

The contradiction or denial of something, or the operation of inverting the truth value in logic.