Gallium Has an Atomic Mass of 69

question 89

Multiple Choice

Gallium has an atomic mass of 69.723 amu. The abundance of Ga-69 (68.926 amu) is 60.11%. What is the atomic mass, in amu, of the other isotope?

• A)70.924 amu
• B)70.928 amu
• C)70.932 amu
• D)70.920 amu
• E)70.930 amu

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Definitions:

Lie By Omission

The act of misleading by failing to disclose vital information, thus allowing others to hold false beliefs based on incomplete or partial truths.

Bald-Face Lie

A blatantly obvious lie told without any attempt to hide the falsehood.

White Lie

A minor or harmless lie, often told to avoid hurting someone's feelings or for some perceived greater good.

Reproach

pertains to the act of expressing disapproval or disappointment towards someone's action or behavior, often with the aim of eliciting a change or acknowledgment of wrongdoing.