Atheist claims beta decay has no cause. Quick google search shows otherwise. Can atheists debate without being congenital liars?

In an attempt to undermind the Cosmological Argument, the atheist claimed atoms decayed for no reason at all. I knew this was a lie, but I googled it and it says Beta decay happens because an atom has too many protons or neutrons.

Atheist claims beta decay has no cause. Quick google search shows otherwise. Can atheists debate without being congenital liars?
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