Question

When an electron drops from a higher energy level to a lower energy level, then:

(a) energy is absorbed
(b) energy is emitted
(c) atomic number increases
(d) atomic number decreases​

Answer 1

option c energy is emitted .

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Answer 2

Answer:atomic number decreases

Explanation: because the atomic number is equal to the proton number plus the electron. So decrease in electron will decrease the atomic number