Crash Course: Nuclear Chemistry

An ________ has the same number of protons but a different number of neutrons.

________ is when one element changes to another element or one isotope to another isotope.

Changes in nuclear chemistry occur because the atom wants to be _____

Changes in nuclear chemistry occur because the atom wants to be

Atoms release protons and _____ to help achieve stability.

• more protons

• electrons

• neutrons

______ is when a nucleus changes to form a different nucleus

____ is the amount of time it takes for half of the sample to decay

Radioactive decay occurs when a nucleus has a ______ energy level than a stable version.

• lower

• higher

• stable

Notes #10: The symbol for ____ is 𝝰

An _____particle is essentially a helium nucleus with 2 protons and 2 neutrons released.

• alpha

• beta

• gamma

• phi