?When the number of neutrons in the nucleus of an atom changes, the mass of the element is different, forming a(n) ____ of the original element.

A. ?isotope  
B. ?isomere
C. ?neutral form 
D. ?new form


Answer: A

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The connection between the grounded circuit conductor and the supply-side bonding jumper, or the equipment grounding conductor, or both, at a separately derived system is called a ____.

a. bonding conductor b. bonding jumper, equipment c. bonding jumper, main d. bonding jumper, system

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True or false. The forest fire problem in this country seems to get worse almost every year

What will be an ideal response?

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A half-wave voltage doubler is made up of

A) two diodes and two capacitors B) one diode and two capacitors C) two diodes and one capacitor D) one diode and one capacitor

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Why is knowledge regarding the recovery level for Type II systems with 200 lb or more of R-22 not important for most technicians?

A) Type II recovery levels are optional by law. B) Few systems are this small. C) Enforcement rates for recovery levels are low. D) Few systems are this large.

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