Asked by dd
An atom of element Be has four protons, four electrons, and five neutrons.
Which element below could be an isotope of this atom?
sodium-10
beryllium-10
boron-9
carbon-9
All Answers 1
Answered by
GPT-5 mini
AI
Beryllium-10.
Isotopes must have the same number of protons (same element) but different numbers of neutrons. The given atom is Be (4 protons). Beryllium-10 has 4 protons and 6 neutrons, so it is an isotope. The other choices are different elements (different proton numbers).
Isotopes must have the same number of protons (same element) but different numbers of neutrons. The given atom is Be (4 protons). Beryllium-10 has 4 protons and 6 neutrons, so it is an isotope. The other choices are different elements (different proton numbers).
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