Answer :
In an electron cloud, an electron that is farther away from the nucleus has a higher energy than an electron near the nucleus. Since these electrons are from the nucleus, then they are not stable and contains a lot of energy as they are moving very fast in order to achieve stability
Final answer:
An electron in an electron cloud that is farther away from the nucleus has higher energy and is less tightly bound to the nucleus. The distance is determined by the principal quantum number, which increases as the electron moves further away.
Explanation:
In an electron cloud, an electron that is farther away from the nucleus has higher energy and is less tightly bound to the nucleus. This arrangement correlates to what's known as the electron's principal quantum number (often just labeled 'n'), which increases as the electron moves farther from the nucleus. Essentially, the larger the principal quantum number, the further the electron is from the nucleus and the higher its energy.
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