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34kurt
3 years ago
9

What element has 81 protons in the nuclei of its atoms

Biology
2 answers:
alex41 [277]3 years ago
6 0
The atomic number reflects how many electrons there are, and there must be an equal charge<span>. therefore, there are the same amount of protons as there are electrons. so if it has 81 protons, we look for number 81 in the </span>periodic<span> table, Thallium</span><span>Thallium is the answer to this

</span>
olga2289 [7]3 years ago
5 0
Thallium has 81 protons in the nuclei of its atoms
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