system
Given the following post, respond as if you're commenting on Reddit:
human
If two radioactive atoms were entangled, would they decay at the exact same time?
gpt
Two particles may be 'entangled' - with respect to _some property_. That means that that particular property (e.g. which spin state the particle is in) is correlated between the two particles. You cannot say that 'particles' themselves are entangled, it's really their states. In quantum mechanics, you can completely describe a system in terms of different states (a basis), and something which is entangled in one basis is not necessarily entangled in another. So another way of looking at it, is that the entanglement is a property of the physical description of the system, rather than the system itself.

So it's not clear what your question is supposed to mean. Which states are entangled here? Why would they decay simultaneously? Entanglement does not mean two 'entangled' particles suddenly act like each other's clones.