Chemistry, 16.09.2021 03:10, taniyahbenyamin2
Who was Dmitri Mendeleev? And why was he so important?
Answers: 3
Chemistry, 22.06.2019 05:50, mayamabjishovrvq9
Why doesn't heat added to water make the tempature rise above 100c
Answers: 2
Chemistry, 23.06.2019 06:30, aurikmah2005
Acertain atom has 22 protons and 19 electrons. this atom loses an electron. the net charge on the atom is now 4+1+01-4-. if this same atom with 22 protons and 19 electrons were to gain 3 electrons, the net charge on the atom would be 3+2+02-3-.
Answers: 1
Chemistry, 23.06.2019 07:00, jaydenboi604
An unknown substance is a white solid at room temperature and has a melting point of 78 Β°c. which of the following substances is most likely to be the identity of the unknown sample?
Answers: 1
Who was Dmitri Mendeleev? And why was he so important?...
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