Radioisotopes

³¹₁₃Al —› ⁰₊₁e + ____

• ³¹₁₁Na

• ³¹₁₂Mg

• ³¹₁₄Si

• ³¹₁₅P

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NGSS.HS-PS1-8

Which type of nuclear radiation is being emitted here?

• Alpha

• beta

• gamma 

• none

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Alpha/Beta

Solve this equation for alpha decay.
₈₅²⁰⁹At = ___ + ₂⁴He

• ₈₃²⁰⁵Bi

• ₈₆²⁰⁹Rn

• ₈₁²⁰⁷Tl

• ₈₅²⁰⁸At

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Solve Alpha/Beta

Solve this equation for beta decay.
₆¹⁴C = ___ + _-1⁰e

• ₄¹⁰Be

• ₇¹⁴N

• ₂¹⁰He

• ₆¹³C

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Solve Alpha/Beta

In a correctly written symbol what would be located in the "Z" position?

• number of neutrons

• atomic number

• number of electrons

• mass number

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Notation

If we start off with element ₂₄X⁵⁰ after an alpha decay we get another element Y that looks like

• ₂₂Y⁵⁰

• ₂₂Y⁴⁶

• ₂₀Y⁴⁸

• ₂₆Y⁵⁴

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Solve Alpha/Beta

An isotope is an atom of an element with a different number of

• protons

• electrons

• neutrons

• pencils

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Atomic Chemistry

How many protons does this isotope of titanium have?

• 48

• 22

• 26

• 70

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Notation

When a nucleus undergoes nuclear decay by gamma rays, the atomic number of the element....

• remains the same

•   decreases by one.

• increases by one.

• increases by two.

Tags

NGSS.HS-PS1-8

For the following nuclear reaction, what was the starting substance (X)?
      X  →   ₈₆Rn²²² + ₂He⁴ 

• Radium-222

• Radon-222

• Radon-226

• Radium-226

Tags

NGSS.HS-PS1-8