Alpha Decay Practice

Front

What is an alpha particle?

Back

An alpha particle is a helium nucleus consisting of two protons and two neutrons, represented as \(\text{ }^{4}_{2}\text{He}\).

Front

What happens to the mass number during alpha decay?

Back

The mass number decreases by 4 during alpha decay.

Front

What is the symbol for an alpha particle?

Back

The symbol for an alpha particle is \(\text{ }^{4}_{2}\text{He}\).

Front

What is the result of the alpha decay of Astatine-209?

Back

The result of the alpha decay of Astatine-209 is Bismuth-205, represented as \(\text{ }^{205}_{83}\text{Bi}\).

Front

Is the statement 'Rn-222 decays to produce an alpha particle' true or false?

Back

False.

Front

What is the charge of an alpha particle?

Back

An alpha particle has a charge of +2.

Front

How many protons are in an alpha particle?

Back

An alpha particle contains 2 protons.

Front

How many neutrons are in an alpha particle?

Back

An alpha particle contains 2 neutrons.

Front

What type of radiation is emitted during alpha decay?

Back

Alpha radiation is emitted during alpha decay.

Front

What is the general equation for alpha decay?

Back

The general equation for alpha decay is: \(\text{ }^{A}_{Z}\text{X} \rightarrow \text{ }^{A-4}_{Z-2}\text{Y} + \text{ }^{4}_{2}\text{He}\).