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Chemistry, 11.03.2021 21:30 quece233

3) Two atoms have identical electron configurations. Which statement about the atoms is true?
a) They have the same chemical properties.
b) They must have the same mass.
c) They must have the same number of neutrons.
d) They could be atoms of different elements in the same group.

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3) Two atoms have identical electron configurations. Which statement about the atoms is true?
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