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Ammonia, NH3, boils at a higher temperature than phosphine, PH3. This is probably due to
Binomial Theorem
The binomial theorem describes the algebraic expansion of powers of a binomial, showing how to expand expressions that involve addition or subtraction within a power.
Expression
A mathematical phrase that can contain numbers, variables, and operation symbols.
\(5a\)
An algebraic expression representing five times the variable "a".
\(4b\)
Mathematical notation representing four times the variable b.
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Q162: The symbol notation now used for elements