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3 years ago

14

Are all physical reactions reversible?

1 answer:

LUCKY_DIMON [66]3 years ago

6 0

Answer: answer is A

Explanation:

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Which of the following radiations consists of a helium nucleus emitted by some radioactive substances? Alpha radiation Beta radi

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Answer: Alpha radiation

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$_Z^A\textrm{X}\rightarrow _{Z-2}^{A-4}Y+_2^4\textrm{He}$

Beta decay : When a larger radioactive nuclei decays into smaller nuclei by releasing beta radiation, the atomic number is increased by 1 unit.

$_Z^A\textrm{X}\rightarrow _{Z+1}^{A}Y+_{-1}^0e$

Gamma decay : When a larger radioactive nuclei decays into smaller nuclei by releasing gamma radiation, the mass number remains same.

$_Z^A\textrm{X}^*\rightarrow _Z^A\textrm{X}+_0^0\gamma$

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3 years ago