Alana624
Answered

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Which statement describes the relative energy of the electrons in the shells of a calcium atom?
(1) An electron in the first shell has more energy than an electron in the second shell.
(2) An electron in the first shell has the same amount of energy as an electron in the second shell.
(3) An electron in the third shell has more energy than an electron in the second shell.
(4) An electron in the third shell has less energy than an electron in the second shell.

Sagot :

lulu1991
The answer is (3) An electron in the third shell has more energy than an electron in the second shell. The energy of electron will increase when number of shell increase.
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