Question

Identify the product of radioactive decay and classify the given nuclear reactions accordingly.

Answer 1

Radioactive decay is the means by which unstable nuclei move towards stability by emitting energy and subatomic particles. The types are:

Alpha particle decay:
Alpha particles, which are identical to helium nuclei, are released. The atomic mass of the substance decreases by 4 units and the atomic number decreases by 2.

Beta particle decay:
These particles are similar to mass as an electron, and during this decay, the atomic mass remains the same but atomic number increases by 1.

Gamma ray decay:
Gamma rays are released, which are high energy electromagnetic waves, by some radioactive nuclei to rid the excess energy they have.

Answer 2

The product of radioactive decay :

• ₂He⁴
• ₋₁e⁰
• γ
• ₁e⁰

Further explanation

The atomic nucleus can experience decay into 2 particles or more due to the instability of its atomic nucleus.

Usually radioactive elements have an unstable atomic nucleus.

The main particles are emitted by radioactive elements so that they generally decay are alpha (α), beta (β) and gamma (γ) particles

General formulas used in decay:

$\large {\boxed {Nt = No. (\frac {1} {2}) ^ {\frac {T} {t1 / 2}}}}$

Information:

T = duration of decay

t1 / 2 = elemental half-life

N₀ = the number of initial radioactive atoms

Nt = the number of radioactive atoms left after decaying during T time

At the core, the reaction applies the law of eternity

• 1. energy

the energy before and after the reaction is the same

• 2. atomic number

the number of atomic numbers before and after the same

• 3. mass number

the number of mass numbers before and after the same

Particles that play a role in core reactions include

• alpha α particles ₂He⁴

atomic number decreases by 2, mass number decreases by 4

• beta β ₋₁e⁰ particles

atomic number remains the same , mass number decreases by -1

• gamma particles γ

Core reactions that occur usually release high energy

• positron particles ₁e⁰

atomic number remains the same , mass number decreases by +1

In general, the core reaction equation can be written:

X + a ---> Y + b + Q

 

X = target core

a = particle fired

Y = new core

b = the particle produced

Q = heat energy

or can be written simply

X (a, b) Y

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