You Synthesize a Sample of a Superheavy Element with an Atomic

question 87

Multiple Choice

You synthesize a sample of a superheavy element with an atomic number of 180.In a mass spectrometer,you find two peaks at 5.08113 $\times$ 10^-25 kg and 5.11434 $\times$ 10^-25 kg,with the former appearing to be about 2.500 times larger than the latter.What is the approximate average atomic mass of this element in amu? (1 amu = 1.6605 $\times$ 10^-27 kg)

• A)475.0 amu
• B)306.8 amu
• C)306.6 amu
• D)430.4 amu
• E)1073 amu

---

Definitions:

CERCLA

The Comprehensive Environmental Response, Compensation, and Liability Act, a U.S. law designed to clean up sites contaminated with hazardous substances.

Air Pollution Control Equipment

Devices and systems designed to reduce or eliminate the emission of pollutants into the atmosphere, including filters, scrubbers, and catalytic converters.

Clean Air Act

A wide-ranging federal statute in the United States that governs emissions from both stationary and mobile sources, aimed at managing air pollution.

Bioengineering

The application of principles of biology and engineering to create products and technologies that improve human life.