A Particular Nucleus of the Element Erbium Contains 68 Protons $\times$

question 14

Multiple Choice

A particular nucleus of the element erbium contains 68 protons and 90 neutrons.What is the total charge of the erbium nucleus?

• A)zero
• B)1.4 \(\times\) 10^-17 C
• C)2.5 \(\times\) 10^-17 C
• D)1.1 \(\times\) 10^-17 C
• E)3.5 \(\times\) 10^-18 C

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