The Mass Numbers of Stable Isotopes Are Always Twice as Large

question 7

True/False

The mass numbers of stable isotopes are always twice as large (or larger) than the atomic number.

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Months

Units of time in calendars that approximately correspond to the period of the Earth moving in its orbit around the Sun, usually divided into 12 periods in a year.

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Simple Interest Rate

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Allocation of resources, usually money, in expectation of a future return or profit.