Question Help ▼ When radioactive substances decay, the amount remaining will form a geometric sequence when measured over constant intervals of time. The table shows the amount of a radioactive isotope initially and after 2 hours. What are the amounts left after 1 hour, 3 hours, and 4 hours? Hours Elapsed 3 4 Grams of the isotope 1324 326 How much of the isotope is left after 1 hour? grams

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A:

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A:

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A: Answer  Beta particle have -1 charge and same as the electron

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Q: stable

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A:

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A:

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Q: BETA DECAY Write the symbol for the element produced when Strontium-90 undergoes beta decay... 240…

A:

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A: Give the answer for 9Be atom= ?

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A:

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A:

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Q: What is the mass number please?

A: mass= moles x molar mass one mole substance contains 6.023 x 1023

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.