Chemistry, 17.09.2021 22:00 sarahholt517
What is the difference between elements with 13 protons and 13 neutrons and elements with 14 protons and 13 neutrons ?
Answers: 3
What is the difference between elements with 13 protons and 13 neutrons and elements with 14 protons...
Mathematics, 22.04.2020 00:57
Mathematics, 22.04.2020 00:57